People gather outside the High Court in support of continued medical treatment for critically-ill 11-month old Charlie Gard who is due to be taken off life support, in central London on July 13, 2017.
The parents of the terminally ill British baby whose life support is to be withdrawn are to present new evidence for his possible treatment in court in a case that has moved Britain and prompted US President Donald Trump and Pope Francis to intervene. / AFP PHOTO / Tolga AKMEN        (Photo credit should read TOLGA AKMEN/AFP/Getty Images)