Two police officers have come under attack at the Nottinghill Carnival.
A male police constable attempted to arrest a male who was suspected of dealing drugs on Lancaster Road.
While he was attempting to arrest the suspect he was attacked knocking him unconscious, he has sustained injuries to his head and torso and remains in hospital.
A female officer assisting the police officer was then attacked suffering injuries to her torso she has been discharged from hospital.
Police have arrested a male in relation to the attacks and suspected drugs offences who remains in hospital.