A house exploded in Sterling, Virginia, on Friday night as fire crews were inside checking a gas leak

UNITED STATES — A house exploded in Sterling, Virginia, on Friday night as fire crews were inside checking a gas leak, leaving one firefighter dead and at least 13 others injured, including 11 first responders, officials say. The injured first responders and two civilians were hospitalized after the blast, according to Loudoun County Fire and Rescue... cnn.com