30 suspects connected to various crimes have been arrested during a special operation conducted in the Welikada Police Division. The operation has been jointly conducted by the Welikada Police and the Special Task Force. It was conducted from 3.00 a.m. to 8.00 a.m., today. The operation was conducted under the direction of Welikada Police O.I.C. Sudath Asmadala. It was conducted in Obeysekerapura, Bandaranayaka Pura and Kotiyagoda of the Welikada Police Division. Police have found 100 illegal liquor bottles, 140 milligrams of heroin and several other illegal goods. 87 officers from Panadura, Negombo, Kelaniya, Colombo North and Gampaha took part in the operation apart from officers of Welikada Police. 50 officers of the STF took part in the operation.