At least 13 people were shot and two killed in a mass shooting in Philadelphia late Saturday night, police said.

Gunfire erupted in the city’s bustling South Street neighborhood near 3rd Street shortly before midnight, Philadelphia police told WPVI.

Police had responded to a 911 call of an individual with a gun in a large crowd. Upon arrival, police saw a male firing into a crowd of people, cops said.

The responding officer fired his service weapon three times at the suspect, police said. It’s unclear if he was hit.

The conditions of the victims was not immediately available. No officers were injured, according to police.

No arrests have been made at this time. Cops said a gun was recovered at the scene.

“Several people have been injured. Please avoid the area,” the Philadelphia Police Department said just before 1 a.m. Sunday morning.