"Hundreds of children have been injured while being physically restrained in special schools, according to figures obtained by 5 live Investigates."
"Some youngsters were pinned face-down on the floor, while others were strapped into chairs..."
"Beth Morrison from Dundee launched a national campaign after her son Calum sustained injuries at his special school while being restrained."
"She said she became worried when her son came home from school with bruising on his arms and spots on his chest consistent with haemorrhaging caused by being restrained."
"The GP said there was some indication of positional asphyxia - such injuries are often seen in victims of strangulation - which was `very, very serious`."
"She says she was later told by an expert that the particular haemorrhaging on his chest could mean Calum had been held face-down, in a prone restraint."
"The former care minister, Norman Lamb, has previously called for the technique to be banned in care settings, describing it as `dangerous`."
"Dundee Council told the BBC it was cooperating fully with a police investigation, and wouldn't comment on specific allegations until that has been completed."