The grandmother of Ashya King says the "backtracking" of authorities has come "too late" for her family as the five-year-old battles a brain tumour.
Speaking before news of the parents' planned release from a Spanish prison, Patricia King told ITV News she just wanted her family home.
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.