OTTAWA—Canada’s unionized postal workers walked off the job, halting handling of almost all mail and parcels and threatening lengthy delivery delays heading into the busy holiday season.

Royal Mail workers at the meeting were joined by postal workers from Canada and the United States who brought greetings from ...

The US has spent something around $ ... both strategies are predicated on CUPW and the Canadian Labour Congress (CLC) isolating the postal workers from their class brothers and sisters: Central ...

Members of the Canadian Union of Postal Workers (CUPW) are seen picketing outside the Canada Post Pacific Processing Centre, in Richmond, B.C., last month. (Darryl Dyck/The Canadian Press ...

Bill Kilsby, president of CUPW Local 818 which represents about 250 workers in Central Alberta, said workers at the Red Deer ...

“The Union denounces in the strongest terms this assault on our constitutionally protected right to collectively bargain and to strike,” the Canadian Union of Postal Workers said in a statement.