To mark his return, Charles and his wife Queen Camilla will visit a cancer treatment centre in London next Tuesday
Joseph Ravoahangy Andrianavalona Hospital confirmed the casualties, said General Richard Ravalomanana, Secretary of State for the Gendarmerie.
Defence Minister General Richard Rakotonirina said it was unclear what had caused the stampede. Some witnesses told Reuters people were trying to push their way into the stadium but that authorities had only opened one small door.