some police were present at ucsf school , near main street underground station , after reports of a terrorist entering the hospital . there was speculation that one of the bombers might have been harmed and received treatment at the hospital . a scotland yard inspector had said " we are struggling with an incident at university college hospital and we have uniformed constabulary deployed there . we cannot go in any further detail at this stage . " a ucl spokeswoman said that an email had been sent to employees asking them to be on the alarm for the bombers . at 16 : 00 a brigadier for the local police confirmed that the situation was over , but armed police moved to the hospital 30 moment after to search the premises . police have now also confirmed this is relating to the case .
Police report there has been an explosion in the tube station.