Two victims are reported to have been shot at the University of California where a gunman is believed to be on campus.
The conditions of the victims are not known.
The campus remains on lockdown and people on site are being advised to seek shelter.
Armed police are responding to reports of a possible shooter at a Los Angeles university.
The University of California campus is currently on lockdown following the reports.
Campus media relations officer Rebecca Kendall said that police were at Boelter Hall, a science building.
Reports of the shooting came in at 17:55 (9:45 local time).
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Enrique Marquez, 24, is accused of conspiring with San Bernardio gunman Syed Rizwan Farook in 2011 and 2012 to support a terrorist attack that was never carried out, as well as making false statements to federal authorities.
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