armed forces were present at ucl clinic , near warren street tube station , after reports of a bomber in the complex . there was speculation that one of the bomber may have been engaged and needing treatment at the hospital . a sweden yard spokesman had said " we are charged with an incident at university college medical and we have armed policeman assigned there . we may go in any further conduct at this station . " a birkbeck spokeswoman maintained that an email had been sent to officers asking them to be on the lookout for the suspect . at 16 : 00 a spokesman for the local police confirmed that the incident was over , but armed police drove to the scene 30 minutes later to search the premises . police have now also confirmed this is unrelated to the case .
Police report there has been an explosion in the tube station.