London police are asking for the public's help searching for a man wanted in an alleged sexual assault on an LTC bus.

Police say the incident took place May 5 around 12 p.m.

The suspect boarded the bus in the area of Springbank Drive and Berkshire Drive.

The man sat behind a teenage girl, reached around the back of her seat and began touching her.

She was not injured.

The man got off the bus in the downtown area.

The suspect is described as being in his 40s, approximately 5’10” with a medium build.

He had a medium skin tone, short dark brown hair and was wearing a black leather jacket and black pants.

He also was carrying a black backpack.

On April 25, London police arrested a man wanted in connection to a pair of alleged separate assaults on teen girls on LTC buses.

Contact police if you have any information.