Police make arrest over 'DLR trespass'
DLR services were disrupted on Thursday after a man was spotted walking along the tracks near London City Airport.
Early reports suggest he was carrying a knife in the incident which occured at around 1.30pm and saw the line closed for nearly half an hour.
British Transport Police were called to the scene.
A spokesman for the BTP said: "The power was turned off and a 22-year-old man from Southfields was arrested on suspicion of trespass and possession of a bladed article.
"The man, who was uninjured, has been taken into custody for questioning."
The line reopened just before 2pm and is now running without delays.