Prince Harry said he abused alcohol to numb the pain of his mother Diana's death in 1997, and accused the British royal family of neglecting him and his wife Meghan as she contemplated suicide.

Harry, now 36, has spoken before about the trauma of losing Diana in a Paris car crash and then having to walk as a 12-year-old behind his mother's coffin in her funeral cortege under the glare of the world's media.

"I was willing to drink, I was willing to take drugs, I was willing to try and...