The stage is set for a showdown between the UK and the US after Prime Minister Boris Johnson gave Huawei the green light to be part of the UK's 5G network.
The decision came despite pressure from the Trump Administration to block the Chinese tech giant, calling it a national security risk.
Australia has banned Huawei from the rollout here, but the UK has agreed to grant it a limited role, with restrictions.
Europe correspondent Samantha Hawley reports.
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