The incident happened in Mungo Park Road this afternoon (credit: Google Maps)
Police were called to Mungo Park Road at around 2.30pm this afternoon.
A spokesperson for the Metropolitan Police said: “Officers attended, including armed officers, and three men and a woman were arrested on suspicion of possession of a firearm.
“Enquiries are ongoing and traffic is being diverted in the area. A crime scene is in place and police remain on scene.”
The spokesperson added that no one was injured during the incident.
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Tags: Havering, Rainham, Elm Park