Maryland house explosion killed 2 people, caused ‘millions’ in damage: Authorities ABC NewsGas Explosion Destroys House in Maryland, Killing Homeowner and Gas Employee The New York Times73-year-old homeowner, BGE contractor killed after house explodes in Maryland neighborhood FOX 5 DCTwo killed in Bel Air, Md., house explosion, officials say The Washington PostHouse explosion killed 2 people, caused ‘millions’ in damage: Authorities KTRK-TV