Dwaipayan Ghosh Kolkata: Kolkata Police arrested an ATM security guard, Sachchidananda Mondal, for allegedly helping steal Rs 10.57 lakh from a businessman at an ATM kiosk in Bhawanipore. Police said Mondal knew the businessman often came to the ATM with large amounts of cash in a particular bag. He allegedly planned a bag-swap theft with help from a local man and his girlfriend. On Monday, the businessman came to the ATM with the cash. Mondal's girlfriend allegedly brought an identical empty bag.