The prime minister's party secured a majority in parliament on Monday after two by-election wins, boosting his Liberals as they work to bolster a country shaken by threats from the United States.

By-elections on Monday could solidify the Canadian PM's hold on power but can his "big tent" party be too big?

Voters in Ontario and Quebec, Canada, are voting in byelections Monday that could give Prime Minister Mark Carney a liberal majority in parliament.