Ten people were arrested after four units were searched in a major police crackdown on County Lines drug dealers.
A significant amount of drugs, weapons and cash were confiscated by the Humberside Police, which was supported by National Crime Agency officials.
The addresses on Grimsby Road and Blundell Avenue in Cleethorpes and Calvi Court in Grimsby, as well as a property in the Market Rasen area, were selected as destinations.
Six men and four women were arrested on suspicion of drug-related offenses involving district border trading in which big-city gangs aim to build new drug markets in smaller areas. One of the men was also arrested on suspicion of trafficking in human beings.
The confiscated drugs are believed to be heroin, and weapons, including weapons and knives, have also been recovered.
Seven of the ten people were released on bail as the investigation continued. The other three people are still in custody this evening.
"Humberside Police Organized Crime Team Detective Inspector Phil Booker said," These arrest warrants are another part of the Humberside Police 'long-term suspicion of trafficking and the delivery of Class A drugs in Grimsby.
"My officials have been on strike at several locations in Grimsby and a nearby Market Lawn at the same time as our colleagues from the National Crime Agency (NCA).
"We also arrested 10 people and recovered numerous weapons, as well as what we thought was a significant amount of class A drugs and cash.
"We know what impact drugs and related crime and anti-social behavior will have on our communities, and we will not advocate it.
"That's why my team is committed to finding, arresting and indicting those we believe are responsible for bringing drugs into our communities and exploiting vulnerable people to earn money for themselves."
Detective Inspector Booker urged people suspected of drug-related crime in their area to report it to the police.
He said, "By telling us what you know about drug-related crime in your area, you can help us gather the evidence we need to continue attacking and attacking the people behind it.
"You may not see the results immediately, but you can be sure that the information you provide will be thoroughly researched and often critical to building successful processes that really help us to keep our roads safe."
Anyone with information is requested to call Humberside Police at 101 or contact Crimestoppers anonymously at 0800 555111.
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