All train lines through Ilford have now reopened after a man tresspassing on the tracks was detained.
Two out of four tracks through the station, in Cranbrook Road, were closed after the 63-year-old was spotted around 11.40am.
Trains passing through the station were stopped while British Transport Police (BTP) officers removed him.
Services are now running but with possible minor delays.
A BTP spokesman said the man was safely taken from the tracks and detained under the Mental Health Act.
He has been taken to Goodmayes Hospital for an assessment.
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