About 55,000 Canada Post workers went on strike Friday after their union said it had failed to reach a pay deal with the postal operator in the run-up to the holiday season.

Canadians may face delays in getting their holiday gifts and purchases this year after workers at the national postal service went on strike.

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 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.