A woman was robbed of her gold necklace at lunchtime in East Ham.
She was walking in Plashet Grove when a man walked up to her and suddenly grabbed her necklace from around her neck causing it to break. The robber fled towards the junction of High Street North.
A passer-by, who saw the robbery, tried to apprehend the suspect at the junction of High Street. He chased him into Tennyson Avenue where the robber jumped into a black Vauxhall Astra which drove away.
The robbery happened on June 6 at around 1.30pm.
The suspect is described as black, 5ft 10ins tall, and aged between 20 and 25.
He wore a black hooded jumper, black tracksuit bottoms and black trainers.
Robbery squad officers are hoping further witnesses will come forward.
Anyone with any information is urged to contact Crimestoppers, where you can remain anonymous on 0800 555 111.
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