Authorities in Greece were on high alert Friday in case annual rallies commemorating the fatal police shooting of a teenage boy 11 years ago once again turn violent. 

France was on Friday preparing for a second day of travel cancellations and school closures as unions warned there would be no let-up in the strike called to protest planned pension reforms.

The remaining signatories to the faltering 2015 Iran nuclear deal will meet in Vienna on Friday with the survival of the landmark agreement at stake after Tehran vowed to continue to breach the deal's limits on its nuclear programme.

The United States said Thursday that Iranian authorities may have killed more than 1,000 people in a crackdown on demonstrations, which Washington cast as the clerical regime's worst-ever internal challenge.

A nationwide strike brought much of France to a standstill on Thursday to protest the government's planned overhaul of the pension system, one of President Emmanuel Macron most ambitious reforms.

A chastened Canadian Prime Minister Justin Trudeau reconvened parliament on Thursday to unveil his legislative agenda in the first test of his minority government.

Britain, France and Germany have accused Iran of developing nuclear-capable ballistic missiles in a letter dismissed by Iranian Foreign Minister Javad Zarif on Thursday as "a desperate falsehood."

U.S. President Donald Trump on Thursday called a crackdown on demonstrations in Iran "brutal" and said the United States would react "strongly" to any threat from Iran to its interests in the region.

"They're killing a lot of people and they're arresting thousands of their own citizens in a brutal crackdown," Trump said at a meeting with U.N. diplomats at the White House.

Fourteen people remain missing from a fire that claimed a student's life in Ukraine's southern port city of Odessa, President Volodymyr Zelensky said Thursday.

A man was burnt to death on Thursday after a pastor mistook petrol for water during a healing service in Lagos, the emergency services said.