Crew are responding to a water main break in the University City section of Philadelphia.UNIVERSITY CITY (WPVI) -- Crews responded to a water main break in the University City section of Philadelphia.The 12-inch water main broke around 4:40 p.m. Tuesday at the intersection of 33rd and Market streets.[Ads /]Action News viewer Dawn MacAdams-Mull sent in this photo of the water main break.They were able to turn the water off around 5:00 p.m.The break caused some disruptions to SEPTA's trolley service.