Demonstrators in more than 25 cities across the country are picketing in support of postal workers this weekend, with a group in Mississauga blocking the entrance to one of Canada Post’s busiest processing plants Saturday morning.

The federal government passed back-to-work legislation Monday to force postal workers back to work after five weeks of rotating strikes in Canadian cities.

The demonstrations, led by Delivering Community Power, a coalition of Canadian union and advocacy groups including the Canadian Union of Public Employees (CUPE) and the Ontario Public Service Employees Union (OPSEU), oppose the government’s decision to implement the back-to-work legislation.

While the picketers are allowing postal workers into the Mississauga plant, they are preventing mail and packages from entering.

Canada Post said that the picketing is illegal and in violation of an injunction issued by the Ontario Superior Court that prevents the blockading of Canada Post facilities in the province. The Crown corporation also said that it will take action to “address the illegal activity.”

“This activity has been undertaken by persons who are not employees of Canada Post and have no affiliation with the company,” Canada Post said in a statement. “The protesters are in violation of the court order. We will take all appropriate action to address illegal activity impacting the collection and delivery of mail and parcels to Canadians.”

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The demonstrators in Mississauga were served with an injunction at around noon to cease picketing, according to CUPE Ontario.

The union said that it intends to picket at the plant until 10 p.m., but later dispersed from the site shortly after 4:30 p.m.

After the federal government’s announcement earlier this week, Canadian Union of Postal Workers (CUPW) president Mike Palecek condemned the back-to-work legislation as unconstitutional, but asked the union’s members to return to work while hinting at plans for ongoing protests.

CUPW said it called the rotating strikes over perceived gaps in equity, equality, health and safety.

With files from Ilya Banares

Stefanie Marotta is a breaking news reporter, working out of the Star’s radio room in Toronto. Follow her on Twitter: @StefanieMarotta

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