Rachel Townsend reports from the Manchester Arena bombing inquiry. The police officer in charge in the aftermath of the Manchester Arena bombing did not tell other emergency services the response to a terror attack, Operation Plato, had been declared. Chief Inspector Dale Sexton then an Inspector, was the force duty officer in the Greater Manchester control room. He broke national guidelines by keeping the Operation Plato decision secret and not informing the ambulance or fire service, as rules meant the area would be declared a "hot zone". This meant the site would have to be cleared, leavin...