A Canadian naval engineer was arrested and charged for taking steps to transmit sensitive information to China related to shipbuilding procurement strategy, police said Sunday.

Authorities say Toronto resident Qing Quentin Huang, 53, shared details about the country's shipbuilding procurement strategy, including patrol ships, frigates, naval auxiliary vessels, science research vessels and ice breakers.

Canada vowed Sunday to keep its sanctions regime against Iran after a preliminary deal on the Islamic republic's nuclear program, calling for a more conclusive accord.

Iran agreed to curb its nuclear program for the next six months in exchange for limited sanctions relief, in a preliminary accord meant to lay the foundations for a comprehensive agreement.

Sri Lanka's president urged his peers Friday not to pass judgment over his country's past as he hosted a Commonwealth summit that threatens to be upstaged by a visit to the war-torn north by Britain's David Cameron.

The summit was meant to be a chance for President Mahinda Rajapakse, a Sinhalese nationalist leader who oversaw the crushing of Tamil Tiger rebels in 2009, to showcase the development of his country.

A global investigation into a Canadian child porn website had led to the arrest of 341 people including teachers, doctors and police officers, and the rescue of 386 sexually abused children, police said.

Those arrested include six law enforcement officials, nine religious leaders, 40 school teachers, three foster parents, 32 children volunteers and nine doctors and nurses, Toronto police said Thursday.

Five people died late Sunday after a small aircraft crashed and burst into flames on approach to an airstrip in northern Canada, police said.

Two passengers, however, survived the crash -- a 29-year-old man and a 50-year-old woman, both from Winnipeg, Manitoba.

Lawyers on Monday challenged a decision to extradite a Lebanese-Canadian university professor accused of a deadly 1980 bombing of a Paris synagogue, calling France's key handwriting evidence "fatally flawed."

Hassan Diab is appealing a 2011 court decision and the Canadian government's order to extradite the University of Ottawa sociologist to France, despite the court's concerns that the case was "weak."

A Quebec court ruled Thursday that a federal government proposal to unilaterally reform Canada's Senate is unconstitutional, as calls mounted for abolishing the upper chamber mired in controversy.

The Quebec Court of Appeal in an opinion said the federal government has no right to schedule Senate elections and set term limits without provincial approval.

Family, not doctors, should decide when to cut off life support, the Supreme Court of Canada ruled Friday in the case of a severely-brain damaged man.

In a 5-2 split decision, the justices said Hassan Rasouli's Toronto doctors must obtain consent from his wife to disconnect feeding and hydration tubes, or failing that apply for permission from a quasi-judicial board that addresses matters of consent in healthcare.

Two motorcyclists face thousands of dollars in fines after being stopped in Canada's capital region with video cameras that recorded their bad driving, police said Wednesday.

The pair of Ottawa motorcyclists, aged 26 and 29, "learned, at their expense, that speed and dangerous driving can be quite costly," police said on their Facebook page.

Malala Yousafzai, the 16-year-old shot by the Taliban for championing girls' rights to education, will be offered honorary Canadian citizenship, a government source said Wednesday.

The announcement is expected in a speech later in the day outlining the Canadian government's upcoming legislative agenda, according to the senior official.