The Metropolitan Police has arrested 230 people and smashed 70 so-called county lines networks of drug dealers during an operation last week.
The Met said on Thursday it had taken more than £4 million ($4.5 million) worth of Class A drugs—which include heroin and cocaine—off the streets of London.
County lines is a term used in the UK to refer to urban drug dealers who supply narcotics to small towns or rural areas, often involving gangs taking over the homes of vulnerable people, from which they deal drugs, a practice known as cuckooing.
But in London it can also refer to networks which are set up in outlying, suburban parts of the city….