Two men have reportedly been arrested in connection with the attack that left four people dead in Stockholm.
The Canadian province said such workplace dress code requirements were discriminatory and dangerous for health.
The summit was overshadowed by US missile strikes in Syria.
A second man was also reportedly arrested in Hjulsta in the north-west of Stockholm, but police declined to comment.
Demonstrators accuse Donald Trump's military action of inflaming Syrian civil war.
Thousands of residents attempt to flee city as fierce battles rage between Iraqi forces and jihadists.
Gambian exiles told of harassment, unfair trials and filthy jails during his 22 years of power.
Smugglers customised £130,000 Bentley Flying Spur to conceal drugs and money
Possessive Ahsan Hassan, 28, feigned suicide pact but found guilty of murder after killing former girlfriend in disused kebab shop.
Eighteen-month-old Alonna Bolden in stable condition after ingesting quantity of parents' drugs.
At least four people killed and 15 injured in attack in Stockholm's main shopping area.
'We are not terrorists', claims rebel group fighting for independence of oil-rich former Portuguese Congo.
Mustafa Bashir originally escaped prison after court was told he had been offered new sports contract.
The winning betting slip had been hidden for more than 40 years among a pile of paperwork.
The long weekend is nearly here.
Each Tomahawk missile costs $1.5m and the US army has been using them since the Gulf War in 1991.
Donald Trump can chart a new way forward after six years of failed Western policy in the Middle East.
Convicted food fraudster Jan Fasen was arrested for masterminding a new illegal horse meat distribution network.
Missing 51-year-old was believed to have been days from death when teenager heard his voice.
At least three people have been killed in the incident, which police are treating as a terror attack.
The woman's head was stuck in between the doors with the rest of her body inside the train.
The US strike on a Syrian air base after Assad's chemical attack was the right action by the wrong man.
At least three were killed in the incident which the Swedish Prime Minister described as a 'terror attack.'
Four men accused of planning to carry out pipe bomb and meat cleaver attack.
She was dubbed as 'one of the most powerful officials of President Goodluck Jonathan'.
The World Bank data confounds expectations about education systems around the world.
President Trump ordered a US missile strike on Syria after Assad's chemical attack.
Seattle start-up Blokable showcases modular housing that slashes construction time from years to weeks.
Frankie Thomson's MP said airline's decision went against efforts to improve accessibility for people with disabilities.
Attacks included bomb explosions at 52 electricity poles and several tyre-burning incidents.