A man has been arrested for attempted murder after a police officer was run over during an "intelligence-led stop".
The car was stopped by armed police in White Hart Lane, Tottenham, north London, at about 11:30 GMT on Tuesday, then struck the officer when it was driven off "at speed".
The injured firearms officer has since been discharged from hospital.
The 25-year-old man was also arrested on suspicion of possession of a firearm and remains in custody.
Two 17-year-old boys and two men, aged 18 and 19, have also been arrested on suspicion of assisting an offender.
A 23-year-old woman has been arrested on suspicion of perverting the course of justice
Det Chf Insp Linda Bradley said: "This was an extremely serious incident whereby the safety of the public, as well as the life of the police officer, was endangered."