Firefighters battle 2-alarm blaze in Folcroft, Pa.

Firefighters battled a 2-alarm blaze at a vacant house in Folcroft, Pennsylvania Wednesday morning.

The fire broke out around 7:00 a.m. on the 2000 block of Heather Road.

Heavy flames were showing inside a property undergoing rehabilitation, officials say.

The fire spread to an adjoining home.

Officials say the fire is under investigation but they are calling it suspicious.

There were no reports of any injuries.