Princes call for action to save wild animals
Prince William and the Prince of Wales are hosting a conference calling for global action to save wild animals from poachers.
They want to find solutions to the problems that Prince Charles has described as having reached a "crisis point".
He said: "As a father and a soon-to-be grandfather, I find it inconceivable that our children and grandchildren could live in a world bereft of these animals."
The BBC's Royal Correspondent, Daniela Relph, reports.