A man was arrested on suspicion of inciting racial hatred after police said a Nazi flag was displayed in full public view at a block of flats.
The 54-year-old was quizzed last week after the large Swastika flag was spotted in a window at a block on the Gascoigne Estate in Barking, said police.
Officers visited the flat on Wednesday and the flag was taken down.
The Met said displaying material inciting hatred is a criminal offence under the Public Order Act 1986.
The man was put on police bail while the Crown examines the case.
A Met spokesman said: “A 54-year-old man was arrested under section 18 of the Public Order Act 1986, which states that it is a criminal offence to use words or behaviour or display material with intent to incite racial hatred.
“The flag has now been removed by police. The suspect has been released on police bail pending a decision from the Crown Prosecution Service.”
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