POLICE are appealing for witnesses after two men accosted a security guard and stole a cash box.

The suspects, described as two black men who were wearing dark coloured clothes, grabbed the box from a Securicor courier as he left a business.

The guard was not injured following the 10.50am incident in Greenwich High Road this morning.

If you saw the incident, or have any information, contact Detective Constable Mark Cutler of the Tower Bridge Flying Squad on 020 7230 6530.