The federal government is intervening in the labour dispute between Air Canada and the union representing its flight attendants, just hours after they went on strike.Jobs Minister Patty Hajdu said early Saturday afternoon that she has invoked Section 107 of the Canada Labour Code to order binding arbitration between the airline and its union and has ordered operations to resume — although it's not immediately clear when the 10,

Air Canada flight attendants said on Sunday they will remain on strike and challenge a return-to-work order they called unconstitutional, defying a government decision to force them back to their duties by 2 p.

The Canadian government on Saturday moved to end a strike by Air Canada's cabin crews and require binding arbitration to break their contract impasse, an action that the country's largest carrier had sought but unionized flight attendants fiercely opposed.