EAST NORRITON, Pa.—Two firefighters have been hurt fighting a fire in freezing conditions in suburban Philadelphia.

Officials say the blaze broke out at a home in East Norriton Township around 1 a.m. It took more than two hours to get under control.

Two firefighters were hurt after they fell on the ice. Three residents in the home were also injured after they jumped from a window to escape.

The cause remains under investigation.