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.

Multiple people are reported to be injured after an explosion and fire at a nursing home in Bristol, Pennsylvania, officials said.

There were initial reports that people were trapped, Ruth Miller, Pennsylvania Emergency Management Agency spokesperson, told the Associated Press .