China has accused two Canadians of working together to steal state secrets, as tensions between the two countries escalate over the possible extradition of Huawei's CFO. <br />Former diplomat Michael Kovrig and businessman Michael Spavor were arrested in China late last year soon after the detention in Canada of Huawei's Meng Wanzhou.<br />Until now, China had only said the pair were suspected of hurting the country's security.<br />Meanwhile, Meng is suing Ottowa for what she claims was her unlawful arrest, which was requested by the U.S.<br />Prime Minister Justin Trudeau told reporters on Monday that he was "very concerned" with what he called China's arbitrary detentions. <br />