After nearly a decade in power, Canadian Prime Minister Justin Trudeau finally bowed to a chorus of criticism that had become too loud to ignore, announcing his resignation on Monday. Among the loudest critics was one of his most loyal and longest-serving deputies.

Justin Trudeau said on Monday that he will resign as prime minister of Canada, and will leave office once a new ruling-party leader is chosen.

Announcing his resignation on Monday, Trudeau said he planned to stay on as prime minister until a new party leader is selected. Who will succeed him — and can they survive a looming no-confidence vote?