Manchester Arena inquiry LIVE as two senior officers in charge of initial response to atrocity give evidence Superintendents Arif Nawaz and Chris Hill were both said to be 'silver' commanders on the night of the attack Tributes in St Ann's Square after the terror attack at Manchester Arena in 2017 (Image: Manchester Evening News) The Manchester Arena bombing inquiry was today (Monday) due to hear from two senior officers who were in charge of the initial response to the atrocity. Superintendents Arif Nawaz and Chris Hill were both said to be 'silver' commanders on the night of the attack. They were at different points stationed in the 'silver' control room set up in the force headquarters in Newton Heath to take pressure off the force duty officer, Insp Dale Sexton, who was in another building and concentrating on the perceived threat of a continuing marauding terror attack.