UPDATE V: Police confirm the incident has been contained and that campus is safe.

Lockdown lifted All Clear Check https://t.co/rUgGhFQmPy for details — UCLA Bruin Alert (@UCLABruinAlert) June 1, 2016

UPDATE IV: Police are now confirming a suicide note and a handgun have been found. The scene is being declared a murder suicide. Two men are deceased.

BruinAlert: Lock down continues. Do not go outside unless instructed by UCPD! Do not come to campus. If outside go indoors and lock down. — UCLA Bruin Alert (@UCLABruinAlert) June 1, 2016

UPDATE III: Police confirm two people are deceased and that the investigation is ongoing.

BruinAlert: Follow up: Shooting. Lock down continues for entire campus. Regardless of location on campus, go to secure [ Msg 1 of 2 ] — UCLA Bruin Alert (@UCLABruinAlert) June 1, 2016

location and deny entry (lockdown) now! More information once available. [ Msg 2 of 2 ] — UCLA Bruin Alert (@UCLABruinAlert) June 1, 2016

UPDATE II: The FBI and ATF are on scene.

UPDATE: Police have confirmed there are two victims and that there is an active shooter on campus.

UCLA is reporting a shooting on campus and is in lock down. The shooting reportedly took place in a campus engineering building. An ambulance is on scene and students are leaving the area with their hands on their heads. Law enforcement authorities and SWAT teams are on scene.

BruinAlert: Shooting at Engineering 4. Go to secure location and deny entry (lockdown) now! — UCLA Bruin Alert (@UCLABruinAlert) June 1, 2016

Police respond to report of active shooter at #UCLA campus | https://t.co/dFTr97PFEq pic.twitter.com/vVSxIzAwSM — Fox News Video (@foxnewsvideo) June 1, 2016

This is a developing story, stay tuned for more details and information.

This post has been updated with additional information.