The union representing 10,000 Air Canada flight attendants said it will challenge an order to return to work and remain on strike.

The decision by the union representing the 10,000 workers means that travel chaos will most likely continue for at least a second day.

Air Canada flight attendants continue to strike as they defy a government return-to-work order:: Toronto, Canada::The Canadian Union of Public Employees said in a statement that members would remain on strike and invited Air Canada back to the table to "negotiate a fair deal.