A second boy has been charged over an alleged fight between a number of youths at a shopping centre in Bromley on Boxing Day.
A 16-year-old boy was charged with violent disorder, possession of an offensive weapon and common assault by beating.
The teenager will appear in custody at Bromley Magistrates' court on Tuesday, 29 December.
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"Based on witness statements and having reviewed the CCTV footage, there is no evidence of anyone spitting in this incident," said police.
Their cat Rothko, resplendent in a bow tie, was the only witness present.
Chad Gordon was shot in the head after answering his door in Haringey, north London last week in a suspected case of mistaken identity.