Canada's three opposition parties said they planned to topple the conservative government in a vote of no confidence in Parliament tomorrow and trigger the country's fourth election in seven years.

The leader of Canada’s main opposition party is set to announce on Monday whether he will seek to topple Prime Minister Stephen Harper’s minority government.

Parliament formally recognised the French-speaking people of Quebec as a nation within Canada early today, in a move that has led to a Cabinet resignation and ignited concerns over a renewed push for the province’s sovereignty.