A "MASSIVE" breakdown in communications meant the fire and rescue service did not arrive at the Manchester Arena bombing until more than two hours later, the inquiry into the attack has heard.
Senior firefighter Andy Berry agreed the length of time it took for he and his colleagues to attend the incident which killed 22 people and injured hundreds on the evening of May 22 2017 was "unacceptable".
The public inquiry was told officers from British Transport Police, Greater Manchester Police (GMP) and a paramedic from North West Ambulance Service had entered the City Room foyer - where Salman Abedi detonated his shrapnel-laden device at 10.31pm - just over 20 minutes after the blast.
Paul Greaney QC, counsel to the inquiry, said the first firefighters from Greater Manchester Fire and Rescue Service (GMFRS) went into Victoria railway station, adjoining the Arena complex, at 12.49am.
He outlined that was two hours and 15 minutes after the first notification to North West Fire Control of an explosion, and two hours and nine minutes after Mr Berry was first alerted.
It was one hour and 58 minutes after each of the other emergency services involved actually had someone within the City Room and one hour and 10 minutes after the last living casualty had been removed from the foyer, he said.
All these timings were compared to an average deployment time - getting to the scene - for GMFRS of six minutes.
Station manager Mr Berry was the duty Nilo (national inter-agency liaison officer) on the night of the attack with responsibilities to provide internal tactical advice to incident commanders and external advice to other agencies about resources and capability.
Mr Greaney asked him: "Is the period that it took GMFRS firefighters to enter the station acceptable to you as a senior firefighter?"
Mr Berry replied: "No it's not sir."
Mr Greaney said: "If firefighters had entered the station at what I would describe as a relevant time, did they have value to bring to the emergency response?"
The witness said: "Absolutely sir and they wanted to be there."
The inquiry has heard casualties in the City Room were evacuated on makeshift stretchers by police officers and members of the public as specialist fire crews with enhanced first aid equipment, trauma dressings, tourniquets and rescue stretchers were never sent.
Mr Greaney went on: "Are you able to explain for us as simply as possible why the fire and rescue service did not arrive at all until well over two hours after the explosion and why specialist assets never arrived?"
Mr Berry said: "I would say there was a massive breakdown in communications in the initial stages. The JESIP (Joint Emergency Services Interoperability Principles) principles weren't implemented correctly which led to us not receiving the information I required to be able to do my job effectively and deploy our resources.
"It's a tri-service type incident so between the three main services there was a lack of communication."
The inquiry heard Mr Berry made seven failed attempts to contact GMP's Force Duty Officer Dale Sexton, the initial commander of the incident, within minutes of being told of the explosion.
He said he did not receive messages, known as METHANE, after the explosion from other emergency services which include details such as which emergency services are present.
Receiving such information would have made a "big difference", he said, and GMFRS would have deployed to the scene earlier.
In a call from North West Fire Control at 10.40pm he suggested that Philips Park Fire Station, some three miles away from the arena, would be the best place to gather until more information came through.
He was told the police had nominated a car park outside Manchester Cathedral, next to the arena, as a rendezvous point for emergency services but he dismissed that location.
Mr Berry explained he thought at that point the explosion may be a prelude to a marauding terrorist attack and the cathedral area was too close to send regular firefighters into a potential danger zone.
He agreed his decision led to appliances from Thompson Street Fire Station in the centre of Manchester, about a mile away, actually driving further away from the arena.
Mr Berry agreed "in hindsight" that Thompson Street was the obvious choice as a muster point, rather than Philips Park.
The inquiry continues on Tuesday.
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