NORTH PHILADELPHIA (WPVI) --Philadelphia Hazmat crews responded to Temple University late Wednesday night after a strong odor was reported.
It happened around 11:30 p.m. at the Beury Science Hall building, located on the 1900 block of North 13th Street.
According to police, A graduate student was conducting an experiment that caused a leaking substance with a strong odor.
Licenses and Inspections and the Health Department were also contacted.
Ten overnight employees were evacuated as a precaution.
Crews ventilated the building, and the incident was placed under control within a half hour.