COIMBATORE: A gang of 22 members from Kerala and Madurai were arrested near Pollachi while trying to scam a man with demonetised currency and a fortune stone. According to police, three of the gang had approached Riyas, a mobile shop owner, with an offer to exchange Rs 10 lakh-worth demonetised currency for Rs 1 lakh in legal tender. The gang was caught when they tried attacking Riyas.