hereA series of arrests and drug seizures were made across the north.'County lines' is where illegal drugs are transported from one area to another, often across police and local authority boundaries and usually by children or vulnerable people who are coerced into it by gangs.The 'county line' is the mobile phone line used to take orders of drugs.Arrests were made in Preston, Sheffield, Leeds and Lancaster.BTP said a new taskforce aimed to tackle drugs on the railway network, and protect