Huawei said Saturday it has fired a Chinese employee who was arrested in Poland on espionage allegations, as China's telecom giant distanced itself from the case amid Western concerns that it could act as a proxy for Chinese security services.This week's detention of Wang Weijing follows the December arrest of Huawei's chief financial officer (CFO) in Canada and United States (US) efforts to blacklist the company internationally over security concerns.While China's governm