The police have swung into action after Maharashtra Navnirman Sena vandalised toll booths in different parts of Maharashtra. MNS MLA Pravin Darekar has been detained while two FIRs have been registered at Navghar and Dahisar. br br Earlier on Monday, MNS workers and policemen clashed at Dahisar. The MNS workers were arrested after an hour-long standoff.