A police officer told today how a derangedknifeman pinned him to the floor and stabbed him.
Pc Thomas Harding said he hit Christopher Haughton three times on the head withhis baton - but it had no effect.
He was one of a number of police officers injured by Haughton after he was cornered in a halal butcher's shop in Kingsbury, north London, in November last year.
Pc Harding, who had only beena policeman for three years, was one of the first to reach Haughton. Haughton, 33, of Wembley, deniesthe attempted murder of four officers and six other charges of assault on theircolleagues during two disturbances.
PC Harding told the Old Bailey: