Prime Minister Theresa May has warned British mobile operators to weigh up the impact of President Donald Trump’s crackdown on Huawei Technologies Co., amid concern that the U.K. telecom industry could be vulnerable to any escalation in the U.S.-China trade war. The issue is critically important for businesses such as BT Group Plc and Vodafone Group Plc, some of Huawei’s biggest clients, which are in the process of rolling out next-generation 5G services. Trump’s administration has argued that Huawei’s connections to the Chinese government mean it could allow Beijing to spy through its equipment, and has urged ... (full story)