Canada’s labor minister said Tuesday he is intervening to end lockouts of workers at the country’s two biggest ports. Labor Minister Steven Mackinnon said the

A lockout at the Port of Montreal began Sunday night. The CEO of the Montreal Port Authority says if the dispute between dockworkers and the Maritime Employers' Association drags on, it will have disastrous consequences for the economy.

OTTAWA—The movement of cargo through Canada’s second-largest seaport halted late Sunday after dockworkers at the Port of Montreal rejected a revised pay offer from employers, heightening stresses on trade as talks aimed at reopening ports on the ...