The cause of the explosion was not immediately known. Police on scene did not immediately say what the extent of injuries were or whether there were fatalities.

The cause of the explosion was not immediately known. Police on scene did not immediately say what the extent of injuries were or whether there were fatalities.

The fire is still active and there are people trapped inside, authorities say.

An explosion Tuesday afternoon at a nursing home in eastern Pennsylvania left an unknown number of people trapped and injured, local officials said.

Two explosions at the Bristol Health & Rehab Center outside Philadelphia killed at least two people, including nursing assistant Muthoni Nduthu.

The thunderous explosion killed at least two people, collapsed part of the building, sent fire shooting out and left people trapped inside.