The Ahmedabad rural police arrested seven people and seized five trucks, besides three JCB machines, allegedly used for illegal mining near a tributary of the Sabarmati river. A history-sheeter along with five truck drivers were arrested under Aslali police station area, though three others managed to escape. A police team raided the river bed on Sunday night and found illegal mining near Piplaj village on the Aslali-Vatva border. Police said that at around 2.30am, they found three JCB machines digging the river bed. The police also found five trucks loaded with sand and arrested seven, including a father-son duo who had hired JCB machines as well as trucks for illegal mining. A police official said that it is illegal to mine at night and a clear cut guideline stating that mining is illegal between 6pm and sunrise exists.