A serving Metropolitan Police officer has been arrested on suspicion of perverting the course of justice over an allegation linked to a BBC Panorama investigation. The officer is a sergeant based at Charing Cross police station and was arrested in relation to an incident that took place on Thursday, a statement from the Met said. They have since been bailed and suspended from duty. The arrest follows a Panorama undercover investigation that revealed serving Metropolitan Police officers at the central London station called for immigrants to be shot, revelled in the use of force and were dismissive of rape claims....