Police have released CCTV footage of a robbery at a convenience store in Lewisham after a teenager threatened the staff member with a large knife.

With his hood up and armed with a knife the youth walked into the shop on Brandram Road on June 26 at around 3pm.

He forced the 42-year-old worker to open the till and threatened him with a large knife held to his waist, before helping himself to £150 cash and £50 worth of cigarettes.

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The police would like to speak to this teenager in connection with a robbery.

A Met Police spokesman said the suspect is described as a slim black teenager, 5ft 5ins, wearing a hooded top.

Police are keen to hear from anyone who may recognise him.

Anyone with any information is asked to contact police on 101 quoting image 186561 or anonymously via Crimestoppers on 0800 555 111.