WEST CHESTER, Pa. (WPVI) --Hazmat crews arrived on West Chester University's campus to investigate a leak at the science center.
The incident happened around 1:30 a.m. Tuesday on the 700 block of South Church Street.
Crews cordoned an area and investigated a leak inside the science lab.
After a thorough check, they gave an all-clear sign.
There were no injuries or evacuations reported.