Police have released CCTV footage of the moment a man robbed a Wimbledon chemist at knifepoint. 

The footage shows a man walking into the Durnsford Road chemist, before pulling out a large kitchen knife and demanding money from the till. 

Police have said the man forced the chemist employee to open the till and a petty cash box, before stealing "a quantity of cash". 

After the robbery, which took place at about 3.15pm on Tuesday, October 13 last year, the man the shop and made off in the direction of Haydons Road.

The suspect is described as a black man in his late twenties to early thirties. He wore a blue hooded tracksuit, white trainers and was carrying a black holdall.

Anyone who may recognise the man, or has more information, should contact police on 101 or anonymously on Crimestoppers on 0800 555 111, quoting reference 203621.