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Seven people died and three others were wounded in a shooting at a small California religious college Monday, Oakland police said.

An Asian male in his 40s was detained as a suspect, but he has not yet been charged in the shooting, according to police spokeswoman Johnna Watson said.

"We believe that this is the person," Watson said.

Police would not release the suspect's name or confirm his relationship to his victims or Oikos University in East Oakland, she said.

Several of the victims were students, Watson said.

Gunfire erupted inside the single-story building that houses the private Christian college about 10:30 a.m. (1:30 p.m. ET), according to Lucas Garcia, who was teaching an English class when it began.

Garcia told CNN affiliate KGO-TV that he counted about six gunshots from a nearby nursing classroom when he heard someone yell, "He's got a gun."

Garcia evacuated his students from the building while the gunfire continued, he said.

The college, which caters to the Korean American Christian community, offers degrees in theology, music, nursing and Asian medicine, according to its website.

The suspect was arrested outside a Safeway convenience store in nearby Alameda, California, San Francisco Chronicle reporter Henry Lee told CNN.

CNN