The strike day is the high-profile culmination of a long-running investigation into a County Lines operation.
Such networks are run by city gangs who attempt to take over the drugs market in other towns and cities, sometimes peddling misery hundred of miles from their base.
Transactions and supply chains are directed from the hub city, where gang members control the phone used to receive customer orders.
They then oversee their network of dealers working on the streets to carry out the transactions.
Merseyside outfits are known to have influence in Cheshire, Lancashire, Cumbria, North Wales, Devon and Cornwall.
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