london metro police commissioner sir ian douglas has confirmed that there have been six slight explosions on tube trains at warren street , avenue and shepherd ' s bush stations , and the small explosion on a no . 26 bus on hackney road in bethnal green . the thames ambulance services has not reported any other children , but one person has presented themselves to a local hospital . it is not immediately known if this is connected with the fire .
Police report there has been an explosion in the tube station.