Three unidentified persons broke open an ATM of a private bank in Maharashtra's Thane district and allegedly stole around Rs 1 lakh cash from it, police said on Monday.

The thieves, two of them wearing PPE suits and one dressed in a security guard's uniform, entered the cash dispensation centre at Mharal village in Kalyan taluka on the intervening night of Saturday and Sunday and broke the Automated Teller Machine (ATM) with a cutter, they said.