A man delivering a parcel was knocked to the ground by three men who stole his keys and drove off in his van.

Police were called to a robbery in South Close, Morden, at lunch time on Friday.

The 39 year-old male victim returned to his van after delivering a parcel when he was approached by three men at about 1.20pm.

A police spokeswoman said he was pushed and fell to the ground and his keys were pulled from his belt.

The three men then got into the van and drove off.

A friend of the victim said the van was a white Mercedes sprinter with the registration number ZB57 XDT.

Police are investigating and no arrests have been made.

Anyone with information is asked to call police on 101.