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.
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Stormy mixed week across the NW. More weather warnings for the start of the new week
Windy this week at times with heavy rain and turning much colder. Frost expected Wednesday and Thursday nights
Storm Clodagh is causing damage right across Greater Manchester with gusts of wind up to 75mph