https://www.reuters.com/article/us-usa-china-huawei-tech/u-s-charges-chinas-huawei-with-conspiring-to-violate-iran-sanctions-idUSKCN1PM2BD >The United States on Monday announced criminal charges against China's Huawei Technologies Co Ltd, escalating a fight with the world's biggest telecommunications equipment maker and coming days before trade talks between Washington and Beijing.