LONDON, June 4 (Xinhua) -- Twelve people have been arrested in Barking, east London, in connection with Saturday night's attack, Scotland Yard has said.
The force are continuing searches of a number of addresses in Barking.
People living in the Elizabeth Fry flat block in King's Road, Barking, where one of the attackers had a home, said shots were fired as heavily armed officers carried out a raid early this morning, Sky News reported.
One resident, Veronica Oladapo, said: "When I came out they were already taking some ...away. There were three of them... the ambulance came and took them away. There were another two sitting down inside."