Air Canada is starting to ground flights ahead of a possible strike by its flight attendants, which could impact about 130,000 people a day if there's a complete shutdown. CBS Toronto reporter Ali Chiasson joins "CBS Morning News" from Canada with the latest updates.

Air Canada has started canceling flights ahead of a possible work stoppage by flight attendants that could impact hundreds of thousands of travelers.

The dominant air carrier in Canada set in motion a process that could ground 130,000 passengers a day by Saturday.