Outgoing Canadian Prime Minister Justin Trudeau says prices for Americans will go up if President Donald Trump follows through with his vow to apply sweeping tariffs on Canadian products.

A "police operation" near Parliament Hill Tuesday prompted road closures and the evacuation of a building within the Parliamentary precinct used for House of Commons committee hearings.

But when the upper house is eventually back in business ... said the centre is expected to help double the annual number of visits to Parliament Hill, from 350,000 to a total 700,000.

If the next federal election takes place in October, this House of Commons may only have 14 sitting weeks left. As that election draws closer, the fight for every inch of turf on Parliament Hill ...