Amazon.com Inc.’s decision to close all seven of its warehouses in the Canadian province of Quebec and terminate more than 1,900 workers is prompting legal action from the affected union.

The union representing Amazon workers at a warehouse that was shut down last month is calling for a boycott and preparing a legal challenge against the company. Caroline Senneville, head of the CSN union,

A union that represents some Montreal Amazon workers said it will petition a court to compel the company to reopen the warehouses and reverse the job cuts.