Police 'felt helpless in the face of injuries they were confronted with' after Manchester Arena bombing 'Many of those officers have since stated that they did not feel the level of training that they have been given in relation to first aid training was sufficient for the task' Updated First responders carry barriers for use as makeshift stretchers (Image: Arena Inquiry) Unarmed police officers who entered the blast zone after the bombing at the Manchester Arena said later they 'felt helpless in the face of injuries that they were confronted with', the public inquiry into the atrocity heard. A former police chief gathered the views of officers in a 'learning paper' he helped compile in the aftermath of the attack.