A drug dealer has been jailed after being caught supplying more than 300 users across part of the county. Cocaine and a burner phone used to send bulk marketing messages were seized by officers after they spotted an exchange taking place in Tonbridge town centre. The phone line was controlled by Zak Burr, who has now been jailed. He was arrested on June 27 after plain-clothes constables saw him approach a car in the High Street during a suspected drug exchange for cash. The officers followed Burr into a nearby pub where he was arrested and a mobile phone in his pocket was seized. An associate …