london metropolitan police commissioner lord simon baker has claimed that there have been three small explosions on local lines at high hill , oval and runner ' s bush crossing , and another big explosion on a no . 26 tram on hackney road in stepney blue . the london ems service has not found any injured people , but one persons has reported themselves to a local hospital . it is not publicly known if this is link with the blasts .
Police report there has been an explosion in the tube station.