Canadian elections: can Justin Trudeau hold on to power? – video explainer

The Canadian prime minister's progressive shine is looking tarnished and shop-worn as the country heads to the polls on 21 October - and Justin Trudeau is now in the fight of his political life.

In 2015, Trudeau was a proudly progressive candidate who promised to fight the climate crisis, repair a broken relationship with indigenous people and resettle Syrian refugees, but fours years of scandals have left young voters uncertain of Trudeau's promise to do politics differently, as the Guardian's Canada correspondent, Leyland Cecco, explains