A man was attacked at knifepoint and robbed of a backpack and cash.

The incident happened in Abbey Road, Elderslie, when the 24-year old victim was walking home from work.

Police said he was approached at 11.35pm on Tuesday. The attacker was believed to have a knife and the backpack contained personal items.

The suspect was last seen running into Kings Road. He was white, in his mid 30s, 5ft 11ins tall and of slim build.