The jury in the case of three teens accused of killing a gay man has retired to consider its verdicts.
Mr Baynham, 62, of Beckenham, was attacked in the crowded square on September 25 last year while on a night out.
Joel Alexander, aged 19, of Thornton Heath, Rachel Burke, aged 18, formerly of Upper Norwood, and Ruby Thomas, aged 18, formerly of Crystal Palace, deny manslaughter and affray.
The Old Bailey has heard that, following a physical confrontation between Mr Baynham and Miss Burke, Mr Alexander intervened, felling the man with a single punch to the jaw.
Mr Baynham struck his head on the pavement and it is alleged that both women then kicked and stamped on him as he lay on the ground before fleeing the scene.
He died in hospital 18 days later.
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