Students at Villanova University in Pennsylvania were told on Thursday afternoon to move to a secure location and barricade their doors because of an active shooter on campus.

“ACTIVE SHOOTER on VU campus,” reads an alert sent to Villanova students from around 4:30 p.m. local time, obtained by NBC Philadelphia. “Move to secure location. Lock/barricade doors. More info to follow.”

Police told the outlet there were no known injuries from the incident at this time.

The Radnor Township Police Department wrote on X that it is on the scene and asked students and residents to “shelter in place.”

This is a breaking news story and will be updated with new information.