OAKLAND — Three San Francisco boys, ages 15 and 16, were arrested in the Tuesday morning carjacking of a woman and an attempted carjacking where the car owner was knocked to the ground and punched and kicked, authorities said.

Additional suspects were being sought in the West Oakland incidents.

About 4:31 a.m. Tuesday a 31-year-old woman had her SUV stolen by several suspects — including one who may have had a firearm — in the 1100 block of 30th Street, authorities said.

The suspects drove from the area in the SUV and two other vehicles.

Moments later, a 55-year-old man who had just parked his car in the 2900 block of Adeline Street and was standing on the sidewalk was attacked by members of the same group, authorities said.

He was knocked to the pavement and was punched and kicked wh

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