Canadian authorities have arrested Huawei's chief financial officer at the request of US law enforcement.
Meng Wanzhou, who is also deputy chair of the Chinese telecoms giant, was arrested in Vancouver.
Huawei said it had little information about the charges and was "not aware of any wrongdoing by Wanzhou.
A spokesman for Canada's Department of Justice said she will face a bail hearing on Saturday.
US media have reported that Huawei is under investigation for potential violations of US sanctions against Iran.
US lawmakers have also repeatedly accused the company of being a threat to US national security, arguing that its technology could be used for spying by the Chinese government.
In a statement, Huawei said it complied with "all applicable laws and regulations where it operates, including applicable export control and sanction laws and regulations of the UN, US and EU.
[Source:BBC News]
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