LONDON, ENGLAND - SEPTEMBER 02:  Ethan Dallas (L), a friend of Naveed King, the brother of Ashya King, and Sanjay Ganatra (R), who have created an online petition demanding Ashya King is reunited with his parents, pose for a picture outside the Royal Courts of Justice on September 2, 2014 in London, England. The petition, created by Mr Dallas, has been signed by over 180,000 people and has been delivered to Downing Street. The Crown Prosecution Service is in the process of withdrawing the European Arrest Warrant issued for the parents of five-year-old brain tumour patient Ashya King.  (Photo by Oli Scarff/Getty Images)