|Rescuers attend to injured people on a street in Seoul's Itaewon area after about 50 people fell into cardiac arrest in a stampede during Halloween parties, Oct. 29.Yonhap|About 50 people have been receiving CPR after suffering from cardiac arrest in Seoul's Itaewon area as huge crowds of people stampeded at Halloween parties, according to fire authorities.Emergency officials received at least 81 calls from people in Itaewon saying they were having difficulty breathing, they said.|Rescuers move injured people in Seoul's Itaewon district on Oct. 30, 2022, after about 50 people were reported to be in cardiac arrest from a stampede during Halloween parties.(Yonhap)|Rescuers move injured people in Seoul's Itaewon district on Oct. 30, 2022, after about 50 people were reported to be in cardiac arrest from a stampede during Halloween parties."