SAN FRANCISCO (CBS SF) – A 69-year-old woman riding an electric scooter suffered life-threatening injuries when she struck a cement mixer along San Francisco’s waterfront on Monday afternoon, according to police.

The collision was reported at about 3:25 p.m. at the intersection of The Embarcadero and Bay Street.

The woman was taken to a hospital and an update on her condition was not immediately available Tuesday.

No other details about the collision were immediately available from police.

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