Published Date: 2024-03-25 14:08:53, Category: News (691374)Time: 02:43 min, View Count= 22 ( + More Social Media views ) , Rating= Title: Moscow concert massacre: At least 137 killed, hundreds more woundedKeywords: Moscow concert massacre: 137 killed, hundreds wounded Description: ABC News’ Martha Raddatz reports on ISIS claiming responsibility for one of Russia’s deadliest attacks in to ABC News on YouTube: