CUPW members in Moose Jaw, Weyburn and Saskatoon walked off the job Tuesday morning, as workers continue to back contract demands with Canada Post.
Six-thousand members walked away Monday night in Montreal, at a major hub that is expected to significantly impact mail service across the country.
Five cities in B.C. and seven in Ontario are also seeing workers take to the picket lines on Tuesday.
CUPW strike actions start in several locations in Southwestern, Northern and Eastern Ontario, and in Weyburn SK. Strike continues in Montreal, Peterborough, Lloydminster, Prince George and areas of BC: https://t.co/bxq6HNAfDJ
— Canada Post (@canadapostcorp) October 30, 2018
Strikes have finished in Lloydminster however.
Rotating strikes began last week, after the deadline to reach a new deal passed.
Workers in Saskatchewan walked off the job at 6:00 a.m. Tuesday.