In October, in a letter to Prime Minister Justin Trudeau, U.S. Sens. Marco Rubio and Mark Warner expressed "grave concerns" about the possibility of Chinese government interference in Canada's telecommunications network.
Earlier Wednesday, British telecoms group BT confirmed that it would not buy equipment from Huawei in another major blow to the company.
Australia banned Huawei and another Chinese company, ZTE, from building their 5G network in August, citing security concerns.
Representatives of Huawei, the world's largest maker of cellular-tower electronics and other telecommunications equipment, could not immediately be reached for comment by dpa.
The company, however, has previously denied it has breached U.S. sanctions, saying it complies with all applicable laws and regulations, "including the applicable export control and sanction laws and regulations of the UN, US and EU."
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