More than 100 officers are taking part in a crackdown on organised crime gangs and anti-social behaviour blighted Stockton.
A series of co-ordinated raids were carried out at addresses across the town.
Several people have already been arrested, for offences including possession with intent to supply Class A Drugs and assault of a police officer.
Crack cocaine concealed in a Kinder Egg, cocaine, cannabis, two machetes and £800 in cash have been seized from a property on Wrensfield Road in Stockton.
A woman has been arrested on suspicion of possession with intent to supply class A and B drugs and possessing an offensive weapon.
Cleveland Police targeted one address on Wembley Way where an electric saw was used to gain entry to the property.
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One woman, who didn't want to be named, said: "I'm so pleased that they have taken action. I have had people weighing drugs while sitting on my front and I have had to move them on.
"When I go to work, I didn't know what I would be coming back to.
"When I first moved here it was a quiet area but they have moved a lot of younger people in and they are causing a lot ot trouble.
"People were turning up at the flat at all hours, taxis were dropping people off, they would come on motorbikes and cause a racket."
She lives on Wembley Way.
Two youths have been arrested and taken away for questioning.
A neighbouring property was closed down earlier this year after concerns were raised about drug dealing and anti-social behaviour.
Another two people were arrested later during the police operation.
A large quantity of cannabis and drugs paraphernalia have been seized by the proactive team from a property on Wrynose Gardens in Stockton as part of the operation.
A man has been arrested on suspicion of possession with intent to supply class B drugs and woman has been arrested on suspicion of being concerned in the supply of class B drugs. They are both en route to custody.
The raids are the first from Operation Artemis, which is set to run throughout Spring and Summer, targeting known offenders in all four of the force areas.
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