BETHLEHEM, Pa. – Fire crews in Northampton County are fighting a house fire on Thursday night. 

County dispatchers say that the call reporting a fire on the 2000 block of Princeton Avenue in Bethlehem came in around 8:16 p.m..

The fire has risen to a three-alarm, and one injury has been reported, according to dispatchers.

The extent of the injuries is unknown at this time. 

As of 9:00 p.m., crews are still working to take down the fire.