A pensioner was struck across both knees with his own walking stick by a teenage cyclist.

The elderly man was left bruised and shaken by the incident in Rectory Road, Worthing, on Tuesday at 11.30am.

A youth, aged about 16, passed the pedestrian on a bike at the junction of Highdown Avenue.

When the pensioner commented about his cycling on the pavement, he stopped, grabbed the man's walking stick and whacked him across the legs.

A passing motorist stopped to help but the cyclist jumped back on his black mountain bike and rode away.

He is white, of medium build with tidy fair hair. He was wearing jeans and a long-sleeved grey shirt.

Anyone who witnessed the attack or has any information can contact PC John Marriott at Worthing Police Station on 0845 6070999.