SAN FRANCISCO (KRON) — Four people have suffered minor injuries after a multi-vehicle collision Friday afternoon in San Francisco, fire officials announced on Twitter. Three ambulances have responded to the scene at Southbound I-280 on the Ocean/Geneva off ramp.

Residents were asked to avoid the exit where the off ramp is closed until around 5 p.m. That ramp has now been opened, officials tweeted.

SFFD first tweeted about the incident at 3:46 p.m.

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Officials did not release any more information about the victims. No other information was immediately available.