China warned Canada that it needs to be aware of the consequences of aiding the U.S. in an extradition case involving Chinese tech giant Huawei that is believed to have sparked the detentions of two Canadians in China. Foreign ministry spokesman Geng Shuang’s comments came after U.S. Vice President Mike Pence and Canadian Prime Minister Justin Trudeau called for the release of Michael Kovrig and Michael Spavor. Both were arrested on Dec. 10 after Canada detained a Huawei executive wanted by the United States on fraud charges. […] “We hope that the Canadian side can have a clear understanding of...