Trudeau says China uses detentions as political tool

Canadian Prime Minister Justin Trudeau on Thursday accused Beijing of using "arbitrary detentions" as a tool in pursuit of political goals -- the latest broadside in a diplomatic and trade row with China.Canada's relations with China soured after its arrest of Chinese Huawei executive Meng Wanzhou on a US warrant last December.Nine days later, Beijing detained two Canadians -- former diplomat Michael Kovrig and businessman Michael Spavor -- accusing them of espionage in a move widely viewed as r