It's part of "county lines" operation
Ten people have been arrested and a significant amount of drugs, weapons and cash seized by police in Grimsby and Market Rasen.
It's part of the ongoing crack down on suspected county lines drug dealers.
Three properties in Grimsby and one in Market Rasen were raided.
Seven of the men have been released on bail...while three remain in custody.
One's being questioned on suspicion of human trafficking.