A man reacts as he squats next to a makeshift memorial outside the Itaewon subway station in the district of Itaewon in Seoul on October 30, 2022, the day after a Halloween stampede in the area. - More than 150 people were killed in a stampede at a Halloween event in central Seoul, officials said on October 30, with South Korea's president vowing a full investigation into one of the country's worst-ever disasters. (Photo by Anthony WALLACE / AFP)