Two robbers allegedly thrashed a petrol pump watchman and looted cashbox of the filling station located near Unhel on Saturday. The watchman informed police about the incident who reached at the spot and started investigation.According to ASP Antarsingh Kanes, the two robbers called out watchman Prakash, a resident of village Navada, from his room and when he came out, the duos thrashed him and snatched key of the office and took away Rs 28,000 from the cashbox. TI Vipin Batham and the ASP reached at the crime scene where they noticed some broken CCTV cameras. The police officials interrogated the watchman and started investigation into the incident.