Three cannabis gardeners who say they were coerced into producing up to £2 million worth of the drug have been jailed ahead of their deportation. When police raided a unit at the Haine Industrial Park in Ramsgate, a drone hovering over the complex captured Tom Doku, Arvaniti Ilirjan and Ervin Zenelaj scrambling to escape. Canterbury Crown Court heard yesterday how the three men had been tending to more than 1,700 cannabis plants, spread across a sophisticated, nine-room grow site off Leigh Road, Newington. Prosecuting the case, Peter Forbes said: “While police officers forced entry, these defe…