The warning for the south-east London borough was issued by police last night after following social media called for troublemakers to plunder stores at Broadway Shopping Centre.
Among those given a dispersal order by Essex Police officers in Southend yesterday was notorious 18-year-old TikTok prankster Mizzy, real name Bacari-Bronze O Garro.
A warning has been issued for Bexleyheath in south-east London, with one shopping centre in the area saying there was a threat of it being targeted by gangs of youths .