The family of a man killed during the G20 protests walked out of court earlier whilst listening to the evidence of the policeman accused of his manslaughter.
PC Harwood was going through a list of alternatives to hitting Ian Tomlinson with his baton during the riots in 2009.
ITV News' Crime Correspondent Jon Clements was at Southwark Crown Court to hear the morning's evidence.
The police officer accused of the manslaughter of Ian Tomlinson has said he now accepts that he was "wrong" to have hit and pushed him.
Jurors trying a policeman accused of killing Ian Tomlinson during the G20 protests heard Pc Simon Harwood had a "rush of blood to the head".