MONTREAL (AFP) - A senior Chinese diplomat called on Ottawa on Tuesday (Dec 7) to ignore national security risks that had been "invented" by the United States concerning telecoms giant Huawei, as Canada weighs the company's possible exclusion from its 5G mobile networks roll-out.

The idea that the company is a threat to national security "is invented by the United States" and "the main purpose of that is to crack down on Huawei", said Mr Cong Peiwu, Chinese ambassador to Canada.

The US has banned Huawei from use in the development of 5G technology on its soil, citing risks of spying or sabotage against Western networks, something the Chinese telecoms giant denies.

The Canadian government meanwhile has been studying the issue for years and, according to local media, could make a decision soon.

However the Chinese ambassador said it was the US that had indulged in such espionage "over the past decades", while speaking at a virtual conference held by the Centre for International Governance Innovation, an independent think-tank.

"We do hope that the Canadian side make their judgment on its own and not to be listening to the opinion from the United States," he said, adding that not to do so would be "sending out a very wrong signal to the Chinese companies".

Other Canadian allies have already followed in the US' footsteps, including Britain, Japan, Australia and Sweden.

Without waiting for a decision by Ottawa, several large Canadian telecoms groups such as Bell, Rogers and Telus have already announced that they are turning away from Huawei and going with other partners, in particular Nokia of Finland or Sweden's Ericsson, for the roll-out of their 5G networks.