Police are working to trace 15 people who took part in an 80-strong car convoy showing support for Palestine.
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Scotland Yard said the large convoy of cars showing Palestinian flags drove through central London at 10.15pm on Saturday night.
The cars set off from a car park in Hancock Road, Tower Hamlets earlier in the evening.
One vehicle was seized, multiple penalties were handed out to 18 drivers and a dispersal order was put in place after the police stopped the convoy in South Kensington.
But police have now said the convoy stopped twice, on the A13 and in the Limehouse Link Tunnel, causing danger to other road users.
They now want to identify 15 people who took part.
Police have released images of the people they want to trace after images and video emerged on social media.
Temporary Commander Karen Findlay, who led the weekend’s policing operation, said: “On some previous occasions, convoys of cars have passed through Jewish communities with occupants waving flags and shouting antisemitic abuse. They understandably caused significant concern, fear and upset.
“As soon as the convoy was spotted, a plan was put in place quickly to ensure the convoy would not reach areas where its presence would inevitably cause alarm and intimidation.
“Our inquiries have not only revealed the extent of their dangerous antics on major roads, they’ve also established the group had plans to move on from Exhibition Road to the Israeli Embassy off Kensington High Street.