armed policing were deployed at ucl hospital , near warren street tube station , after reported of a suspect reaching the hospital . there was speculation that one of the bombers may have been injured and sought treatment at the station . a scotland pc inspector had said " we are familiar with an incident at university hall infirmary and we have several officers deployed there . we cannot go in any further , at this date . " a informatics spokeswoman confirm that an email had been sent to staff asking them to be on the lookout for the suspect . at 16 : 00 a spokesman for the municipal police stated that the incident was over , but armed personnel returned to the hospital 30 minutes late to examine the site . police have now directly confirmed this is prior to the explosions .
Police report there has been an explosion in the tube station.