A Canadian court on Friday granted bail to former Guantanamo detainee Omar Khadr, who was 15 when he was captured on an Afghan battlefield in 2002 and sent to the U.S. jail in Cuba.

The Canadian government, however, said it would appeal the bail decision.

Mexico's Congress approved controversial legislation on Thursday to allow foreign migration and customs agents to carry weapons inside the country, a measure the opposition says passed under U.S. pressure.

The bill, which was passed by the lower house in a 288-82 vote and was proposed by President Enrique Pena Nieto, will also allow the bodyguards of visiting heads of state to be armed in Mexico.

Switzerland tops a global ranking of happiness, closely followed by Iceland, Denmark, Norway and Canada in a comprehensive study unveiled by academics in New York on Thursday.

The 2015 World Happiness Report is the third annual report that seeks to quantify and explain happiness in 158 countries as a means of influencing government policy across the planet.

Canada revised its greenhouse gas emission data from 1990 to 2013 in a report Friday, showing it had higher carbon dioxide discharges each year, and a doubling of emissions from its oil sands.

All previous years were revised upward by around 12 to 24 megatons, which left total emissions up by 18 percent since 1990, according to the national report made under new reporting guidelines of a UN climate change agreement.

Military police on Friday charged four British Royal Navy sailors with sexual assault in the alleged gang rape of a civilian woman in Halifax, which is home to Canada's Atlantic fleet.

Craig Stoner, Darren Smalley, Joshua Finbow and Simon Radford each face one count of sexual assault under Canada's criminal code.

Two Canadian students appeared in a Montreal court Wednesday over fears they were plotting to commit crimes related to "terrorism," CBC's Radio-Canada said.

El Mahdi Jamali and Sabrine Djaermane, both 18, were ordered to remain in custody.

A group of Calgary imams is marking the first line of defense at the foot of the Rocky Mountains against the Islamic State group's recruitment of Canadians as fighters.

Several imams issued a religious edict against IS jihadists last month, denouncing its threats against Canada and its online recruitment after dozens of Canadians -- mostly from Calgary -- traveled to Syria to join their cause.

Canada carried out its first air strikes in Syria on Wednesday the military said, expanding Ottawa's contribution to the U.S.-led coalition against Islamic State, after parliament approved a larger role in the conflict.

Two F-18s using precision-guided munitions struck a IS position near the Syrian city of Raqqa, before safely returning to base, the military announced.

Saudi Arabia on Wednesday told Canada and its province of Quebec to stop criticizing the kingdom's flogging of blogger Raef Badawi, who was sentenced to 1,000 lashes for "insulting Islam."

"The kingdom does not accept any form of interference in its internal affairs and rejects... the attack on the independence of its justice system," the Saudi ambassador to Ottawa, Naif Bin Bandir Al-Sudairy, said in a letter sent last month and made public Wednesday.

Canadian lawmakers voted Monday to extend a campaign of airstrikes against the Islamic State group and for the first time strike at them in Syria as well as in Iraq.

Prime Minister Stephen Harper's Conservatives, wielding a majority in the House of Commons, pushed through a motion on enlarging the mission in a vote 142 to 129, despite opposition parties' vigorous objections.