A shopkeeper was hit with a hammer during a robbery in Swanscombe, Kent.
Police said two men went into the Milton Road Off-Licence on Thursday at 1640 BST.
One of the robbers approached the shopkeeper, who was the only person in the store, and hit him on the chest and wrist with the hammer.
The second man grabbed the cash till which contained hundreds of pounds.
England flag
They then ran out of the shop and got into a white Vauxhall Nova which was waiting outside.
Both men were about 18 years old with one wearing a white handkerchief over his face, black tracksuit bottoms and a grey and blue sleeveless shirt.
The other had a baseball cap on, a blue sleeveless shirt with an England flag on the left breast and dark trousers.
Police said the shopkeeper suffered bruising but was was not seriously hurt in the attack.
Anyone who saw the robbery is asked to come forward.