POLICE are appealing for witnesses to a robbery at an Essex supermarket.

Officers were called to Tesco, Dukes Walk, Duke Street, in Chelmsford earlier this week, Tuesday, August 8 at about 6.15pm.

They say a man entered a store and threatened a security guard, however added the member of staff was uninjured.

A man was arrested at the scene. 

A spokesman said: "We’re asking anyone who may have witnessed this incident to contact us.

"If you have any information or other footage in relation to this incident, then please get in contact with us.

"Reports can be made by submitting a report on the Essex Police website or by using our online Live Chat service."

Alternatively, you can call the force on 101 or contact Crimestoppers.

Any reports should quote crime reference 42/141013/23.