BERKELEY (CBS SF) — Berkeley Police engaged in a standoff Thursday afternoon with an individual who was believed to be armed.

Officers warned residents to avoid the 1400 block of Prince Street at 3:05 p.m. Thursday as they handled the incident.

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Berkeley Police also noted that officers were “are handling a report of a person passed-out inside a vehicle with firearms inside the vehicle as well.”

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“We have formed a safety perimeter around the vehicle and are using our negotiators to try and communicate with the person via loudspeaker,” Berkeley Police tweeted.

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This story will be updated.