Water main break in University City, crews responding

A water main break causes flooding in University City Tuesday afternoon.
6 ABC/Screenshot

A water main broke in University City Tuesday afternoon, 6 ABC reports

The break happened at the intersection of 33rd and Market streets around 4:30 p.m. 

The size of the main is still unknown by the water department, according to 6 ABC.

NBC Philadelphia reports that officials don't know how many homes and businesses have been affected. 

This is a developing story. Check back here for more details.