NEW YORK, Dec. 23 (Xinhua) -- An explosion at a nursing home killed at least two people and left residents trapped inside in the northeastern U.S. state of Pennsylvania Tuesday afternoon, authorities said. ■
NEW YORK, Dec. 23 (Xinhua) -- An explosion at a nursing home killed at least two people and left residents trapped inside in the northeastern U.S. state of Pennsylvania Tuesday afternoon, authorities said. ■
