The US Justice Department has filed a host of criminal charges against Chinese telecoms giant Huawei and its chief financial officer, Meng Wanzhou.
Among the charges are accusations of bank and wire fraud, obstruction of justice and theft of technology from US company T Mobile.
Ms Meng was arrested in Canada last month on a US request for allegedly evading sanctions on Iran.
The case has badly strained relations between China, Canada and the US.
Both Ms Meng and Huawei deny the allegations.
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https://www.bbc.com/news/world-us-canada-47036515