The theft at the ATM of the IndusInd Bank at Vilankurichi Road came to light when a truck driver visited it to withdraw cash at around 3.30 am and alerted the police and bank officials.
The CCTV camera in the ATM was also found damaged, police said adding a gas cutter had been used to open the machine.
The heist was suspected to have been committed between 1.30 am, when the last transaction was recorded, and 3.30 am, police said.
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