Chase Bank building explodes, multiple injuries reported | LiveNOW from FOX

A massive natural gas explosion at a bank in downtown Youngstown, Ohio injured seven people. The first floor of a 13-story building blew up around 2:45 p.m., local time. Security footage obtained by the outlet shows the violent blast shattering windows and sending debris flying all the way across the street. Seven people are receiving treatment related to the explosion at Mercy Health, with one patient in critical condition, according to local new stations. Officials also said two people remain unaccounted for. Crews are now working to determine the structural integrity of the building. Gas has been shut off to the entire block as a safety precaution. The cause of the explosion is not known at this time. Subscribe to LiveNOW from FOX! Where to watch LiveNOW from FOX: Follow us @LiveNOWFOX on Twitter: Raw and unfiltered. Watch a non-stop stream of breaking news, live events and stories across the nation. Limited commentary. No opinion. Experience LiveNOW from FOX.