WPVI-TV reports ( http://bit.ly/XsFymI) crews were called to a science building in the University City neighborhood around 5:30 a.m. Friday. Officials say they were investigating a report of someone mixing chemicals in a fourth-floor laboratory area.
The situation has been placed under control and the building wasn't evacuated. No injuries are reported.
Information from: WPVI-TV, http://abclocal.go.com/wpvi