Investigators sift through wreckage after a deadly Pennsylvania nursing home explosion

BRISTOL, Pa. (AP) — Construction crews and drones searched the rubble of a Pennsylvania nursing home Wednesday, a day after a powerful explosion killed at least two people, collapsed part of the building and left several residents unaccounted for.

Emergency responders from across the region had evacuated residents and dug through debris on Tuesday amid flames, smoke, a strong smell of gas and even a second explosion, Gov. Josh Shapiro said at a news conference that evening.

The blast...