The first stage of an extradition hearing for a senior executive of Chinese tech giant Huawei started in a Vancouver courtroom M onday, a case that has infuriated Beijing, caused a diplomatic uproar between China and Canada and complicated high-stakes trade talks between China and the United States.

The first stage of an extradition hearing for a senior executive of Chinese telecom giant Huawei begins Monday in a Vancouver courtroom, a case that has infuriated Beijing, caused a diplomatic uproar and added to tensions between China and the United States.