China has accused two Canadian nationals of spying and stealing national secrets.
The men were detained in December following the arrest of Huawei's top executive in Canada for breaching US sanctions on Iran.
The Canadian justice department has now approved the beginning of extradition proceedings for Meng Wanzhou, who is suing the country for "serious breaches" of her civil rights.
North America correspondent William Denselow reports:

US grants India six-month sanctions waiver to run Iran's Chabahar port
Trump cuts China tariffs to 47% after 'amazing' Xi meeting
Israel carries out new strikes in Gaza after asserting commitment to ceasefire
French police make more arrests in Louvre heist investigation
Afghanistan and Pakistan agree to restart peace talks in Istanbul, sources say
