Huawei begins fight back against US government

The Chinese telecoms company, Huawei, has filed a lawsuit against the US government. Washington has asked its allies to avoid Huawei and has banned federal agencies from using its products, claiming that its links to the Chinese government make it a threat to national security. We look at the strength of the company's case.

(Photo: Illustration of a 3D printed Huawei logo placed on glass above a displayed US flag Credit: Dado Ruvic/Reuters)