SAN FRANCISCO (CBS SF) — A pedestrian was critically injured in a collision with a taxicab near the Broadway Tunnel in San Francisco early Saturday morning, a San Francisco police spokesman said.

The cab was heading east toward the tunnel on Broadway near Larkin Street when it struck the pedestrian, police spokesman Officer Gordon Shyy said.

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The pedestrian was taken to San Francisco General Hospital with life-threatening injuries.

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Shyy said the cab driver stopped at the scene of the collision and cooperated with police.

Drugs or alcohol are not considered factors in the collision, he said.

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