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:

Kuwait oil facility damaged in Iranian attacks, state media says
India's Skyroot launches Vikram-1 in first private orbital rocket mission
US and Iran target infrastructure as strait shipping comes under further attack
Strong quake hits Mexican coast near Guatemala, triggers tsunami threat
Flash flood kills 4, leaves 4 others missing in Vietnam
