A police investigation is underway following an assault in Penrith.

Officers are probing the incident, which occurred in the Castlegate area at 11:30pm on Sunday, August 2.

The victim was punched several times and knocked unconscious during the assault.

He sustained minor injuries and his watch was broken.

Anyone with information is encouraged to contact police on 101, quoting incident number 5 of 3 August.

Alternatively, readers can call Crimestoppers anonymously on: 0800 555 111.