The Pittsburgh Bureau of Fire responded to a 1-alarm fire at 13 Pride Street just before 2:30 a.m.
Arriving firefighters found a transportation van on fire immediately next to the New Shepherd's Heart Fellowship church.
The fire was called under control at 3:04 a.m. There were no injuries to civilians or firefighters.
The Fire Investigation Unit was called to investigate the origin of the fire, which is believed to be suspicious.