Merseyside Police have arrested an eighth man following dawn raids in Rock Ferry and West Derby.
He's being questioned on suspicion of possession with intent to supply controlled drugs.
Four men arrested earlier have been released on bail. Two have been released without charge and another remains in custody.
More top news
A 28-year-old man has been remanded in custody after appearing at court charged with stabbing a Muslim surgeon outside a mosque.
The Isle of Man Snaefell Mountain Railway has been suspended following investigations into a electric tram brake failure.
A quiet couple of days. The end of the week becomes unsettled