A man has been charged with four counts of murder and four counts of administering a poison.
Stephen John Port, 40, of Cooke Street, Barking, was charged with four counts of murder in relation to the deaths of four men between June last year and September this year, Scotland Yard said.
He has also been charged with four counts of administering a poison with intent to endanger life or inflict grievous bodily harm.
Port will appear in custody at Barkingside Magistrates' Court on Monday.
The charges relate to the deaths of
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