Police in London are gearing up as tens of thousands descend on the U.K. capital for two major demonstrations and soccer fans congregate for the final of England’s major domestic cup competition at Wembley Stadium.

The police are deploying thousands of officers, partly to keep far-right and pro-Palestinian marchers separated. The opposing events are expected to draw tens of thousands of people to London.

London police arrested dozens after rival far-right and pro-Palestinian protests drew massive crowds, prompting a major security operation amid fears of unrest, hate crimes and clashes linked to activist Tommy Robinson.

A “paedophile hunter”, a disgraced former MP, and TV personality Ant Middleton are among the eclectic line-up of Tommy Robinson allies due to speak at his Unite the Kingdom march this weekend. Plans for the major rally through Whitehall in London have been thrown into disarray by travel bans issued by the Home Office to prevent extremist preachers and far-right figures from coming to the UK.

A group of protesters in London despicably called for a controversial rightwing figure to be killed, “like Charlie Kirk,” disturbing video shows. The crowd was filmed chanting about Tommy Robinson, who organized a massive “Unite the Kingdom” rally in London Saturday which saw tens of thousands of demonstrators turn out.

Two major protests are taking place on Saturday in London, with the Metropolitan police warning it may be one of its busiest days in recent years.

Tens of thousands of people rallied Saturday at a London march organised by far-right activist Tommy Robinson and a counter-demonstration fused with a pro-Palestinian protest, as police mounted a