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.

A disruption in Canada Post services would hit some Canadians harder than others. As the deadline approaches for a potential strike at midnight Friday, CTVNews.ca asked readers how it would affect them and how they are preparing.

Canada Post workers are on strike after failing to reach a negotiated agreement with their employer.

The Canadian Union of Postal Workers said in a statement Tuesday morning that it has issued a 72-hour strike notice, but it remains unclear if employees will walk off the job.

The countdown begins as disgruntled Canada Post employees announce a 72-hour strike notice if their demands haven't been met.

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.

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.