Two men were arrested and suspected crack cocaine and heroin was seized following a stop check.
Targeted Team officers on patrol on Provident Street, St Helens, sighted a Ford Focus in "suspicious circumstances" around 9.40am on Thursday.
The car and its occupants were subject to a search and a bag containing around 160 rocks of suspected crack cocaine and 40 rocks of heroin were found. Merseyside Police said two men were detained.
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A 52-year-old man from Huyton and a 41-year-old man from Anfield were both arrested on suspicion of possession with intent to supply Class A drugs and taken to a police station for questioning.
Both men remain under investigation pending further enquiries.
In a statement today, Merseyside Police said: "We have arrested two men and seized suspected crack cocaine and heroin following a stop check in St Helens yesterday, Thursday 16 September.
"At around 9.40am, St Helens Targeted Team officers on patrol on Provident Street sighted a Ford Focus in suspicious circumstances.
"The car and its occupants were subject to a search and a bag containing around 160 rocks of suspected crack cocaine and 40 rocks of heroin. Two men were detained.
"A 52-year-old man from Huyton and a 41-year-old man from Anfield were both arrested on suspicion of possession with intent to supply Class A drugs and taken to a police station for questioning. They remain under investigation pending further enquiries."
St Helens Targeted Team Inspector Rob Budden said: "This was smart police work which has removed from circulation a significant quantity of drugs, which would have spread misery in our community.
"As well as patrols on the streets, information from those who live nearby is vital to building a picture of notable locations, seizing drugs and arresting suspects, so come forward with anything similar and we will take action."
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If you suspect that drugs are being stored or supplied in your community, pass information via our social media desk on Twitter @MerPolCC or Facebook 'Merseyside Police Contact Centre'. Always call 999 if a crime is in progress.
You can also contact the independent charity Crimestoppers anonymously on 0800 555 111, or via their online form here.
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