Virginia Tech has reported that an officer has been shot on its campus and that there is possibly a second victim at a parking lot near the campus.

A suspect is said to be on foot and a campus-wide alert has been issued notifying students and faculty to stay inside and lock their doors.

Virginia Tech was the scene of a gruesome murder in 2007 in which 32 students died in a shooting rampage.

The suspect is said to be a white male wearing gray sweat pants, gray hat with neon green brim, maroon hoodie and backpack.

An anonymous law enforcement official told The Associated Press that initial reports are that the shooting happened following a traffic stop.

Here are the alerts coming from the campus:

From VT Alerts (1:12 p.m.): Suspect remains at large. A police officer has been shot. A potential second victim is reported at the Cage lot. Stay indoors. Secure in place.

From VT Alerts (12:47 p.m.): Suspect described as white male, gray sweat pants, gray hat w/neon green brim, maroon hoodie and backpack. On foot towards McComas. Call 911.

From VT Alerts (12:37 p.m.): Gun shots reported- Coliseum Parking lot. Stay Inside. Secure doors. Emergency personnel responding. Call 911 for help.

Julia Greenberg, Jason Van Hoven and Melanie Jones contributed to this article.