The walkout at one of Canada’s biggest seaports comes as workers at more than half of U.S. ports prepare to strike.

Last Friday, the Syndicat des débardeurs du port de Montréal filed a 72-hour strike notice, saying its members who work at the Viau and Maisonneuve terminals intended to walk out from 7 a.m. Monday to 6:59 a.m. Thursday.

Longshore workers at Montreal’s port launch a 72-hour strike, affecting two terminals and causing significant supply chain disruptions across Canada.

The job action Monday morning closed facilities that handle about 40% of container traffic on the St. Lawrence Seaway

The union representing longshore workers at the Port of Montreal is set to go on strike at two terminals today if a last-minute deal isn't reached by 7 a.m.

The 72-hour partial strike by dockworkers is expected to take place Monday morning. The Maritime Employers Association (MEA) announced that it had not reached an agreement with the union representing longshoremen at the Port of Montreal.

(Reuters) -The port of Montreal on Friday said customers would experience an operational slowdown after a union issued a notice for a three-day strike next week at two terminals that account for 41% of its container traffic.

(Reuters) -Unionized workers have begun a three-day strike at two terminals of the port of Montreal as talks over a new contract are yet to result in a labor agreement, the Canadian port's authorities said on Monday.

The union representing longshore workers at the Port of Montreal says work at two terminals could come to a standstill next week after it served a 72-hour strike notice today.