India is set to become the latest country to ban Chinese telecoms vendors Huawei and ZTE from its 5G networks.

New rules will prevent any bids from countries which India shares a land border with under amended investment rules that cite concerns over national security.

Earlier this year, a brutal clash between Chinese and Indian troops at a decades-old disputed Himalayan border left a trail of fatalities – many soldiers were beaten to death with barbed wire clubs, or...