Two men have been arrested at a pro-Palestine march, one for holding a placard with a swastika on it and another for an alleged racist remark towards counter-protesters, police said. Thousands gathered for the Palestine Solidarity Campaign (PSC) demonstration in London on today to call for an immediate ceasefire in Gaza. There was also a static demonstration organised by pro-Israel group Enough is Enough which took place at the same time along the route of the pro-Palestine march. At just before 1pm, Scotland Yard said officers arrested a man holding a placard with a swastika on it at Parliame…