direct to your inbox"Can we have all available ambulances, please?"We need every available ambulance."As many as you can get please."The harrowing words of a police call room operator to North West Ambulance Service control in the minutes after the Manchester Arena terror attack."All ambulances."As many as you can get please." The audio recording was one of many radio and telephone exchanges made between emergency services in the aftermath of the explosion to be played at the public inquiry into