UK police making urgent inquiries to find who was behind metro incident

LONDON (Reuters) - London police said on Friday they were making urgent inquiries to track down who was responsible for an explosion at a metro station, which officers are treating as a "terrorist incident." "Counter Terrorism detectives are making fast-time inquiries to establish who was responsible for the incident at Parsons Green tube station," London's Metropolitan police tweeted on Friday. (Reporting by Costas Pitas, editing by Kate Holton)