It happened around 2:45 a.m. Saturday in the area of 24th and Edgley streets in North Philadelphia.
Authorities tell Action News that two 22nd district police officers were in the van when they came upon a man shooting at the occupant of a gold Chrysler.
When one of the shooters saw police, investigators say he fired on the van.
A bullet hit the windshield of the police van on the passenger side.
The officers returned fire and the pursued him on foot.
The officers lost the suspect in the area of the 2300 block of Diamond Street.
The police officers were not hurt during the shooting.