The family of Ashya King are "over the moon" at the effort to raise funds for specialist treatment which could save the life of their son, the head of children's charity has said.
Mike Hyman, who runs charity Kids N Cancer, told Good Morning Britain the five-year-old's family were overjoyed at the prospect of receiving financial help with the proton therapy they had desperately been seeking.
Ashya King's parents told the Daily Mail they fled the UK after being told NHS treatments would leave him with life-long disabilities.
The head of the police force which applied for a European Arrest warrant against the parents of Ashya King has now urged their release.
A British mother whose son's life was saved by proton therapy has told ITV that she defied NHS doctors' advice to pursue the treatment.