Six clean-up marshals, deployed to enforce the mandatory facemask rule and collect fines from violators, turned into criminals by extorting thousands of rupees from drivers of heavy duty vehicles at Airoli Toll Naka. 

Thanks to a responsible citizen, their racket was busted on Wednesday afternoon when Navghar police caught them in the act. They were arrested on Thursday and sent to police custody till May 29. Preliminary investigation has revealed they were extorting people for a couple of months.