WHITEHALL TWP., Pa. -

Firefighters were forced to evacuate a Lehigh County senior home Sunday night.

It happened just before 9 p.m. at Whitehall Manor at 1177 Sixth Street in Whitehall Township.

Officials say a malfunctioning HVAC unit sent smoke into the building.

No one was hurt and residents were allowed back into the home about a half-hour later.