Police made three arrests during a firearms warrant in Runcorn.
A Cheshire Constabulary spokesman said officers found no guns during the raid on Caesars Close in Castlefields on Saturday, but did find a “quantity of illegal drugs”.
A 26-year-old man and two women, aged 18 and 47, were arrested on suspicion of cocaine supply and firearm possession.
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The man was released on bail and the women under investigation.
A large police presence including armed units and crime scene investigators descended on the cul-de-sac early on Saturday, with officers remaining throughout the day according to residents writing online.
The force spokesman said: “At around 5.30am on Saturday, April 23, officers from Cheshire Police executed a firearms warrant at an address on Caesars Close, Runcorn.
“No firearms were found at the address however officers recovered a quantity of illegal drugs.
“A 26-year old man and two women, aged 18 and 47, were arrested at the address on suspicion of possession with intent to supply Class A drugs (cocaine) and possession of a firearm without a certificate.
“The man has since been released on police bail until Sunday, May 22, the two women have been released under investigation pending further enquiries.”