A woman had her necklace ripped off before being punched to the ground in a terrifying attack in Croydon.
Police said the woman was grabbed from behind before the jewellery was snatched from her.
When she tried to stop the attack, she was punched in the face and fell to the ground.
A man then tried to grab a bracelet from the woman's wrist before running away when she fought back.
The victim, aged in her 40s, was left needing hospital treatment after the ordeal in Sutherland Road at about 7.45pm on Friday, May 13.
She was discharged later that night but will need "ongoing treatment", police said.
Detectives are now appealing for help tracing the suspect, who is described as a black male in his late teens or early 20s and about 5ft7ins tall.
Anyone with information is asked to call PC Chris Martin at Croydon CID via 101 or contact Crimestoppers anonymously on 0800 555 111.
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