After months of speculation about his future, former Bank of Canada governor Mark Carney launched his campaign to replace Justin Trudeau as Liberal leader on Thursday with a promise to build the fastest-growing economy in the G7 if he's elected.

Carney slams Conservative leader Pierre Poilievre at his leadership campaign launch and vows to build Canada’s economy.

The former governor of the Canadian and British central banks announced he was running to become head of the Liberal Party and prime minister.