Video shows moment gas explosion levels building

Video from Washington, D.C.'s emergency services shows the moment a gas explosion leveled a building while firefighters were on the scene on Thursday. Two other buildings were damaged and one person suffered minor injuries, police say. Watch ABC News Live 24/7 on YouTube: https://youtube.com/live/OOtxXPaQvoM SUBSCRIBE to ABC News on YouTube: https://bit.ly/2vZb6yP Latest updates: https://abcnews.go.com/ Watch full episodes on Hulu: http://abcn.ws/3bzvQQn