A suspected moped gang member was chased down by members of the public after a west London jeweller's shop was robbed.
Pictures from Twitter/@MOJALHOSEINE
Four men were arrested after a group of moped riders armed with knives, a hammer and a crowbar targeted a store in Maida Vale.
One man was held by members of the public at the scene and Metropolitan Police officers were called at around 5.12pm on Monday afternoon.
Footage circulating on social media showed members of the public attempting to stop the group, who were dressed in all black, from making off outside Amir Jewellers.
The suspect was treated for a minor injury in hospital and released into police custody.