An explosion and fire at a Pennsylvania nursing home killed two women -- one resident and one employee -- and wounded 20 other people, officials said. The "catastrophic" incident -- possibly caused by a gas leak -- unfolded Tuesday afternoon at the Silver Lake Nursing Home in Bristol, which is about 25 miles northeast of Philadelphia.

A pair of explosions and a fire, apparently sparked by leaking gas, ripped through a nursing home near Philadelphia on Tuesday, killing a female employee and a resident, and injuring 20 people, offici...

Dippolito described a chaotic rescue in which firefighters found people trapped in stairwells and elevator shafts and pulled residents from windows and doors.