The parents of Ashya King will appear in a Madrid court tomorrow morning at 10am BST.
ITV News reporter Sejal Karia has tweeted:
BREAKING: Madrid court tells ITV NEWS that Ashya Kings parents are due before a judge at 10am (UK time) tmrw morning.
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.