The director of the burns centre at Morriston, consultant William Dickson, said the teenagers were receiving the best care available.

BBC: RELATED BBC SITES

Alleged poisoning victims William Dickson, 82, Linda McDonagh, 60, John Beeley, 73, Beryl Hope, 70, and Mary Cartwright, 89, are believed to have eventually died from natural causes.

BBC: Rebecca Leighton: Staff 'took' drugs from hospital

Detectives are continuing to investigate and review the cases of 21 other patients, including six others - Tracey Arden, Arnold Lancaster, Derek Weaver, William Dickson, Linda McDonagh, and John Beeley - who all subsequently died.

BBC: Beryl Hope