Hong Kong’s embattled railway operator bowed to pressure on Thursday night to get tough on anti-government protesters, after Beijing expressed dismay at its “softly-softly” approach to dealing with their actions at train stations that had at times crippled services.In a new move, the MTR Corporation announced that from now on, “if fights, vandalism or other acts of violence” occur, services could be stopped and the station immediately closed without notice.“The police may need to enter stations…