Archie Battersbee, the 12-year-old who had been at the centre of a legal battle between his parents and doctors, has died.
His mother, Hollie Dance, said: “Such a beautiful little boy, and he fought right until the very end.”
Joined by family outside the Royal London Hospital, she said she was “the proudest mum in the world”.
Her son’s death came after life support was withdrawn earlier on Saturday.
Archie had been found unconscious at home in Southend, Essex, on 7 April and he had been in hospital ever since.