Pc used 'reasonable force' as boy went into shop window
An officer used "reasonable" force to tackle a 16-year-old boy who crashed through a glass window of a shop in south-east London, a court has heard.
Pc Marcus Ballard was "shocked" when Onyeka Obi went through the window of the shop in Bromley High Street.
The incident happened when members of the Metropolitan Police's Territorial Support Group were called to deal with rowdy youths on a bus last February.
Pc Ballard, 29, denies two charges of common assault.
Defending the officer at City of Westminster Magistrates' Court, Ben Brandon told Deputy Senior District Judge Daphne Wickham that the case did not revolve around the teenager crashing through the window - which was "entirely unforeseen".
The prosecution said the charges relate to the officer "forcefully grabbing Mr Obi's right arm and spinning him around to get his attention" and the Pc "grabbing Mr Obi around the chest area, as if by the lapels, and pushing him forcefully backwards to pin him against a window for questioning".
The Met officer said he tried to stop Mr Obi after two women approached officers in "fear" asking them to be "escorted to their car".
In a written statement Pc Ballard denied using "excessive force".
Mr Brandon said: "Force used in the first and second contact was reasonable.
"Other officers were conducting stops and searches when Pc Ballard arrived, and force was used by other officers in execution of their stop searches.
"It shocked Pc Ballard too. The fact that he went through the window, the principal distinguishing feature of this stop search, is irrelevant."
The boy, who was unharmed in the incident, was arrested for assaulting an officer and kept in custody for 11 hours, the court heard.
Pc Ballard was also investigated by the Independent Police Complaints Commission.
The case continues.