The force had mounted its biggest operation in years to manage both Robinson's "Unite the Kingdom" march and the anti-fascism rally organised by the Stand Up to Racism group combined with protests marking Nakba Day.  LONDON: London police said Sunday (May 17) officers arrested 20 people the previous day at a march organised by f ar-right activist Tommy Robinson and 12 people at a counter-demonstration fused with a pro-Palestinian protest. The city's Metropolitan Police, which had already