This shocking CCTV footage shows the moment a woman is dragged to the floor during a robbery by moped drivers.
A man wearing a helmet is seen slamming the woman to the floor, wrestling with her, before stealing a gold necklace.
It follows a series of moped-related crimes in London, which includes drivers snatching phones out of people's hands and an incident of liquid being thrown in a pedestrian's face.
The Metropolitan Police has released this latest footage after it was called at 4.40pm on Tuesday June 20 to Clarenden Rise in Lewisham.
The force said a 52-year-old woman was approached outside a Hindu temple by a man wearing a crash helmet.
The suspect grabbed the victims £600 gold necklace and tried to remove it from her neck.
The victim resisted and was dragged to the floor before the necklace broke free.
The suspect got onto the back of one of two mopeds that were present before two men drove off with the assailant as a pillion passenger on one of the mopeds.
The first suspect was described as wearing a black crash helmet, white shirt, a dark blue jacket with grey trousers and black shoes while the second suspect was wearing a black crash helmet, blue shoes and a grey tracksuit with white stripes.
The third suspect wore a a black crash helmet, a grey hooded top, dark trousers and white trainers.
Detective Constable Alexander Hamilton, from Lewisham CID, said: "We are urgently seeking any information regarding this nasty crime, which has left the victim shaken from her ordeal.
"Please come forward if you know anything, witnessed anything, or you know who the men in the CCTV images are."
Anyone with information can call Lewisham CID via 101.
To give information anonymously contact Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org.
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