San Francisco police arrest bicyclist accused of attacking car

An altercation between a bicyclist and a driver in San Francisco's Marina District during Critical Mass on Friday, August 28, 2015 was caught on camera. (bike42363/YouTube)

San Francisco police have arrested a man accused of attacking a car in the area of Marina Boulevard and Lyon Street during a Critical Mass event last month.

On Saturday, officers in the area along McCovey Cove saw a man and bike matching the description from the incident, so they arrested the suspect.

The man was identified as San Francisco resident Ian Hespelt, 39.

Officers detained the suspect and based on evidence booked him on felony offenses of false imprisonment, assault with a deadly weapon, vandalism and maliciously and willfully throwing a substance at a vehicle, police said.

Officers also booked Hespelt for a misdemeanor offense of inciting a riot, according to police.

The video of the incident shows bicyclists cross Marina Boulevard into oncoming traffic directly into the path of a dark blue vehicle. The vehicle is then forced to stop as the cyclist blocks the path using his bicycle. As the vehicle attempts to leave the area, the cyclist uses a U-Lock to strike the vehicle several times, causing approximately $2,000 worth of damage.


Although an arrest has been made, anyone with additional information or video is encouraged to contact the SFPD Anonymous Tip Line at (415) 575-4444.

Bay City News contributed to this story.
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