Michael Duheme at the U.S. Justice Department said Canadians in Quebec, Ontario and Alberta were taken into custody this week. One of the Canadians arrested was a lawyer.

In filings to Ontario Superior Court, Cadillac Fairview says it is 'resolutely opposed' to Ruby Liu becoming a tenant at some of its malls as she has no credible business plan.

Daytime highs are expected to reach 35 C in parts of Ontario and Quebec, according to a heat warning from Environment Canada. Temperatures will cool mid-week, the agency says.