Sources told the Associated Press that the suspect was a former student.

Oakland Police seem fairly confident that they have the lone shooter, says KQED's Rachel Dornhelm.

"This is still an active investigation. We do have one person who we have detained who we believe is the person responsible for shooting and fatally wounding seven people and wounding three additional people," said Oakland Police spokeswoman Johnna Watson.

Update 2:37 p.m.The Oakland Police Department sent out a press release confirming seven people are dead and three more injured. One person associated with the shooting has been taken in to custody. The Oakland Tribune reports the suspect was arrested after he told Safeway employees he shot people.

Lisa Resler, 41, said she was leaving the Alameda store with her daughter when she saw a young Asian man with a beanie being confronted by store security. She described him as being "very sedated" as he was handcuffed and taken away. Two Safeway employees who did not give their names said the suspect had told a customer service staffers that he had shot people and needed to be arrested

Update 2:04 p.m. The AP reports that Oakland City Council President Larry Reid says there are six dead. Reid says he learned the count from the police chief.

Update 1:10 p.m. ABC7 is reporting two are confirmed dead by the Alameda County Coroner's office. The AP is reporting five are dead. KQED is awaiting confirmation.

The Oakland Tribune reports the shooter is a former student:

Pastor Jong Kim, who founded the school about 10 years ago, said the shooter had previously been a nursing student at Oikos but was no longer enrolled. He was unsure whether the shooter had been expelled or dropped out voluntarily.

Police secure the scene at Oikos University after a shooting that killed seven people. (Jed Jacobsohn/Getty Images)

Update 12:25 p.m. Oakland Police Spokeswoman Johnna Watson said one person has been detained in connection with the shootings. KPIX is reportingthe suspect was taken into custody at South Shore Shopping Center parking lot in Alameda.

Update 12:15 p.m. OPD's Johnna Watson confirmed the shooter is still at large, and is possibly still on the scene. Students and injured people are still being evacuated from the building. Watson said the crime scene is "active and fluid." Police have set up a perimeter.

Update 12:00 p.m. The SF chronicle interviewed a witness. Angie Johnson, 52, of San Leandro, saw a woman leaving the building earlier, bleeding from her arm, crying "I've been shot, I've been shot."

Johnson said while she waited for medical attention the woman told her the shooter was a man in her nursing class who rose up and shot one person at point blank range in the chest before he started spraying the room with bullets.

Original Post: The Oakland Tribune is reporting that a shooting this morning at Oikos University, a Christian university on Edgewater Drive in Oakland, has left at least five people injured.

Police released a description of the suspect, who they said may be a student, as male, Asian, with a heavy build, wearing khaki clothing.

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