Chinese telecom firms Huawei and ZTE pose a security threat to the US, a congressional panel has warned after an investigation into the two companies.
The two firms should be barred from any US mergers and acquisitions, according to a House Intelligence Committee report.
The panel says the firms failed to allay fears about their association with China's government and military.
The firms - among the world's biggest makers of networking equipment - denied the accusations in front of the panel.
On Monday ZTE issued a statement insisting its equipment met all US standards and posed no threat. More at The BBC.
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