Police have seized more than 150 bags of what is believed to be cocaine and heroin after raiding a property in Stockport.
Three people have been arrested after the class A drugs were discovered by officers in Lenham Towers in Brinnington early on Thursday morning.
They executed a warrant after receiving intelligence.
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A 35-year-old man and two women aged 34 and 26 have been arrested on suspicion of possession of controlled drugs with intent to supply.
They remain in custody and enquiries are on-going.
PC Joel Murphy, of GMP Stockport district, said: “I hope these arrests will reassure residents in Stockport that we are fully committed to making their area a safer place by continuing to target the supply of suspected illegal drugs across Greater Manchester.
“Listening to residents and receiving information is key in helping us to reduce crime and drug supply.
Anyone with any information should contact us by reporting online.
“Alternatively, contact Crimestoppers anonymously on 0800 555 111.”