London, Sep 15 (ANI): A blast on a underground train left some passengers with facial burns at the Parsons Green underground station in west London. The station is closed now and counter-terror and security authorities are monitoring the situation. Officers and ambulance staff on the spot were seen evacuating the passengers. Police said they were aware of reports and would release facts regarding the incident once they could be sure of their accuracy. Transport for London, on Twitter, posted that there was no service between Earls Court and Wimbledon on the District Line which runs through Parsons Green