Britain’s high court on Friday blocked Chinese telecom giant Huawei’s bid to access British bank HSBC’s internal documents relating to U.S. fraud allegations against its chief financial officer Meng Wanzhou. Meng, 49, was arrested by Canadian police on a U.S. warrant in December 2018 while on a layover in Vancouver, bound for Mexico. The United States is charging her with bank fraud, accusing her of misleading HSBC about Huawei’s business dealings in Iran, causing the bank to break U.S. sanctions. A PowerPoint presentation that Meng gave to an HSBC banker in Hong Kong in 2013 has been cited by the United States as key evidence against her. Federal prosecutors allege Meng lied in the presentation about Huawei’s relationship with Skycom Tech Co. Ltd., a firm that operated in Iran, which the United States said was in fact a subsidiary of Huawei. Meng’s Canadian lawyers are asserting that the U.S. extradition …