Police officer pushes wheelchair bound man off sidewalk and into road (video)

Police officer pushing wheelchair bound man into road 
By: Chan Yuan 

(Scroll down for video) Police in California, are investigating an incident in which a police officer pushed a wheelchair-bound man off a sidewalk and into a road.

A video of the altercation was uploaded on YouTube, and it has since gone viral.

The video shows a San Francisco police officer trying to push Bo Frierson and his wheelchair from the sidewalk and into the road.

In the process, the wheelchair almost tipped over. Luckily, the disabled man was not hurt as his seatbelt kept him in the chair.

The officer can be heard complaining that the wheelchair ran over his foot.

The incident occurred on Sunday afternoon, while police were responding to a disturbance call. Four men were issued citations.