Canada Post workers are on strike after failing to reach a negotiated agreement with their employer. Canadian Union of Postal Workers says approximately 55-thousand workers are striking, claiming little progress has been made in the bargaining process.

Around 55,000 postal workers went on a strike Friday at 12:01 a.m. ET, according to the Canadian Union of Postal Workers (CUPW). The union says a strike came as a last resort following a year of bargaining with little progress.

Canada's postal workers could walk off the job or the company could lock them out as soon as 12:01 a.m. ET Friday if the union and the company don't reach an agreement. Here are tips for shoppers and businesses.

The Canadian Union of Postal Workers may go on strike Friday. On Tuesday, the union gave a 72-hour strike notice. This means that Canada’s publicly owned mail service will slow its work — or potentially grind to a halt. Here’s what it could mean for Canadians.

Teamsters Canada says if Canada Post workers go on strike or are locked out, its members at Purolator won't handle any packages postmarked or identified as originating from the carrier.

The postal workers issued a 72-hour strike notice on Tuesday. Canada Post has said it offered annual wage increases that are the equivalent of 11.5% over four years and protection of a defined benefits pension for current workers. About 55,000 postal workers are off the job.