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OTTAWA — Canada's Ambassador to the U.S. Kirsten Hillman will take on the role of top negotiator for Canada as the country seeks a new trade and security pact with the Donald Trump administration.

MONTREAL — Police are spending a third day searching for four people who went missing after a medical transport helicopter crashed on Quebec's North Shore. The Airmedic helicopter crashed into a lake late Friday near Natashquan, Que.

MONTREAL — Correctional Service Canada says a convicted killer has escaped from a prison in Quebec's Laurentians region. Staff discovered Richard Plourde was missing from his minimum security unit at about 11 p.m. Sunday.

Here is a roundup of stories from The Canadian Press designed to bring you up to speed...

Blame the heat dome hanging over Ontario and Quebec for some of the strange weather hitting other parts of the country — including the possibility of wet snow on some СÀ¶ÊÓƵ highway summits

OTTAWA — Prime Minister Mark Carney called for de-escalation on Sunday after the United States carried out strikes against three Iranian nuclear sites earlier in the day. Carney issued a social media post shortly before 8 a.m. Eastern saying the U.S.

Iranian Canadians and Jewish groups turned worried eyes to the Middle East on Sunday, as U.S. strikes against three Iranian nuclear sites raised fears of escalating violence.

The court-appointed receiver of a Yukon gold mine that suffered a catastrophic heap-leach facility failure last year said it plans to sell the mine and will be seeking approval within the week to start the process.

NATASHQUAN — A search resumed Sunday for four people who are missing after a medical transport helicopter crashed on Quebec's North Shore during a rescue operation. The Airmedic helicopter was involved in an accident around 10:30 p.m.

John McCallum was first elected to the House of Commons to represent the Greater Toronto Area riding of Markham in 2000 and went on to serve as a cabinet minister for three different Liberal prime ministers.