S. Korea in shock, grief as 151 die in Halloween crowd surge


              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon, center, visits the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean President Yoon Suk Yeol, center, is briefed at the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley.  (AP Photo/Lee Jin-man)
            
              South Korean President Yoon Suk Yeol, center, visits the scene where dozens of people died and were injured in Seoul, South Korea, Sunday, Oct. 30, 2022, after a mass of mostly young people celebrating Halloween festivities became trapped and crushed as the crowd surged into a narrow alley. (AP Photo/Lee Jin-man)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A woman places flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Flowers are displayed to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              South Korean national flags fly at half-mast at the government complex in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Lee Jin-man)
            
              A woman places a bouquet of flowers to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Family members listen to reports for their missing loved ones at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022, following a deadly accident that happened during Halloween festivities Saturday night. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A parent of a victim of Saturday night's accident following Halloween festivities reacts at a community service center in Seoul, South Korea, Sunday, Oct. 30, 2022. A mass of mostly young people celebrating Halloween festivities in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea's worst disaster in years. (AP Photo/Ahn Young-joon)
            
              A man bows to pay tribute for victims near the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon pays tribute for victims at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)
            
              Seoul's Mayor Oh Se-hoon speaks at the scene of a deadly accident in Seoul, South Korea, Sunday, Oct. 30, 2022, following Saturday night's Halloween festivities. A mass of mostly young people among tens of thousands who gathered to celebrate Halloween in Seoul became trapped and crushed as the crowd surged into a narrow alley, killing dozens of people and injuring dozens of others in South Korea’s worst disaster in years. (AP Photo/Ahn Young-joon)