WESTWOOD (CBSLA.com) — Two people have been fatally shot on the UCLA campus in Westwood, police said Wednesday.

According to the Los Angeles Police Department, both shooting victims were male. Their identities are being withheld pending family notification.

Law enforcement sources have told CBS News that the shooting was a murder-suicide incident. A gun and note were recovered on campus.

At this time, officers are searching the Engineering IV building on campus for any additional shooting victims.

CBS2’s Jasmine Viel reported police say the gunman may be one of two victims found dead at the scene.

Shortly after 10:00 a.m., campus police sent out an alert notifying students and faculty of a possible “active shooter” in Boelter Hall, located near the School of Engineering.

The entire campus has been placed on lockdown.

According to the Daily Bruin, the shooter has been described as a Caucasian man who stands around 6-feet tall. He was last seen wearing a black jacket and black pants.

Students have been told to shelter in a secure place.

Officials have placed Fairburn Elementary School, Warner Elementary School and Emerson Community Charter Middle School on lockdown as a precaution due to police activity in the area, according to the Los Angeles School Police Department.

FBI, SWAT and ATF agents are responding to assist with the investigation.

Authorities remain on a city-wide tactical alert at this time.