Police in Sutton are appealing for assistance after three businesses were robbed at knifepoint over a two day period.
In all three cases the suspect threatened staff members with a knife and stole cash, alcohol and cigarettes.
The offences took place at a convenience store at Demense Road, Wallington and a petrol station on Beddington Lane both on Tuesday, 1 August. On Wednesday, 2 August a convenience store at Seymour Road, Mitcham was targeted.
The suspect is a white male, aged around 40 years, 6ft tall, of medium-muscular build. At the time of the robberies he had facial stubble. He has a distinctive crown tattoo on the nape of his neck.
Anyone with information relating to these incidents is asked to call Sutton Police by dialling 101 or call Crimestoppers anonymously on 0800 555 111.