A 41-year-old man is being questioned after an imitation firearm and suspected drugs were found in a car.
The car was searched in Main Road in Broomfield on December 24.
A 41-year-old man from Chelmsford was arrested on suspicion of possession of drugs with intent to supply, possession of firearms offences and drug-driving.
A 44-year-old woman was also arrested on suspicion of possession of drugs with intent to supply.
Both are currently in custody for questioning.
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