"We had to pull in crews from other counties and use private services and, in the meantime, regularly reassure patients and carry out 'comfort calls' to make sure their condition hadn't worsened, " the spokeswoman said.

BBC: Ambulances parked outside Norfolk and Norwich Hospital

"Her family members have been informed that her condition has deteriorated and they are currently by her side to encourage and comfort her, " he said.

BBC: Delhi rape victim's condition 'deteriorates'