Dhaka, Aug. 17 -- The Canadian government has ordered Air Canada's striking flight attendants back to work and into arbitration, ending a walkout that disrupted travel for more than 100,000 passengers worldwide at the height of the summer holiday season.

Federal Jobs Minister Patty Hajdu said Saturday the economy could not risk prolonged disruption, particularly amid U.S. tariffs on Canada. The move came less than 12 hours after about 10,000 flight attendants walked off the job.

"The talks broke down. It is clear that the parties are not any closer to resolving some of the key issues that remain and they will need help with the arbitrator," Hajdu said, noting full resumption of service could take days.

Union leaders accused the governm...