A man who fell onto underground tracks is believed to have fainted.
The commuter collapsed onto the track at South Woodford station and suffered head injuries, according to TfL yesterday.
Staff at the station moved quickly to turn off the electricity on the tracks, at around 6am, whie the man believed to be in his 40s, was helped up by fellow commuters.
A Transport for London spokeswoman said: “He was fortunate it occurred so early in the morning when there aren't as many trains in operation.”
Two commuters got him back up on the platform and there were no delays reported to the service.
The man was treated for head injuries before being taken to Whipp's Cross University Hospital in Leytonstone.