National rail shutdown begins as employees locked out at both major Canadian railways

Trains across the country have ground to a halt as 9,300 workers were locked out by both of Canada's major railways after they failed to agree on a new contract before a 12:01 a.m. EDT deadline. The shutdown marks the first-ever simultaneous work stoppage at Canadian National Railway and Canadian Pacific Kansas City and threatens to upend supply chains.Download the CTV News App for breaking news alerts and video on all the top storiesThe companies haul about $1 billion in goods each day combined