The Latest on a possible shooter at the University of California, Los Angeles (all times local):

10:30 a.m.

Authorities have responded to a report of a possible shooting at the University of California, Los Angeles.

Los Angeles police Officer Tony Im says the department's officers are responding to a report of an active shooter Wednesday morning.

Numerous officers can be seen on the campus on the west side of the city.

Campus media relations officer Rebecca Kendall says the report came in at 9:55 a.m. and involves Boelter Hall, a science building.

The campus is on lockdown.

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10:15 a.m.

Police are responding to a report of a possible shooter at the University of California, Los Angeles.

Campus media relations officer Rebecca Kendall says police are on scene Wednesday morning at Boelter Hall, a science building.

The campus is on lockdown.

Kendall says the report came in about 9:55 a.m.