FOUR men arrested over the discovery of a drugs factory containing around 1,000 cannabis plants have been released on bail.

The men, aged 30, 35, 42 and 43, were seized following the find in the basement of a house in Thornhill Road, Leyton, on Wednesday March 14.

They are due to return to officers on Wednesday April 25.

Two of them are also suspected of immigration offences.

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