Yorkshire Ambulance Service NHS Trust said it would co-operate with any new legal inquiries.
The patient was based in the area covered by South East Coast Ambulance Service (Secamb).
The ambulance service attended but Mr Abdel Salam was pronounced dead at the scene.
The Ambulance Service said patients had been taken to Heartlands Hospital, Selly Oak Hospital, and Dudley.
BBC: NEWS | UK | England | West Midlands | Tornado hits Birmingham
West Midlands Ambulance Service admitted its ability to respond to 999 calls was affected.
Yorkshire Ambulance Service said it had put major incident procedures in place following the collision.
Paul Woodrow, of the London Ambulance Service, is in Russell Square near the bus which exploded.
John McPoland from the Ambulance Service said the emergency services were at the scene within minutes.
Opposition parties called for urgent action from the Welsh government to improve the ambulance service.
Joint plans agreed between health boards and the ambulance service to reduce ambulance waits outside hospitals.
Eight were receiving hospital treatment, but the injuries were not serious, the ambulance service said.
The Welsh Ambulance Service also said it was concerned at the handover delays at hospitals.
Emergency care assistants are to be introduced under planned changes to the Yorkshire Ambulance Service's workforce.
The Ambulance Service refused to comment to Panorama, saying the case is sub judice.
The local ambulance service said it had learned valuable lessons and changed its clinical practice.
Mr McPoland said using the ambulance service in Scotland has been a long established contingency plan.
BBC: Communications problem at NI ambulance service resolved
The 80-year-old suffered "multiple serious injuries" in the crash, West Midlands Ambulance Service said.
The air ambulance service operates helicopters from Marden in Kent and Dunsfold in Surrey.
Mr Goody currently works as an emergency care support worker for South East Coast Ambulance Service.
Colleagues from the Welsh Ambulance Service were told of Mr Phillips' death on Tuesday.
The Welsh Ambulance Service again asked the public to use its service only when necessary.
Two ambulance trusts serve the hospital, London Ambulance Service and South East Coast Ambulance Service.
The Great North Air Ambulance Service later said he had died "despite everyone's best efforts".
In a medical emergency, they are routinely denied pickup up by the ambulance service.
She said money needed to be invested to create a "planned, renewed reorganised ambulance service".
The East of England Ambulance Service has advised people to take care when sledging.
Mr Barnes also flew for the Derbyshire, Leicestershire and Rutland Air Ambulance Service.
East Midlands Ambulance Service covers six counties and handles more than 600, 000 emergency calls a year.
Mr Newton began his career in the ambulance service more than 30 years ago.
The East of England Ambulance Service (EEAS) said it was working to improve its response times.
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