Lincolnshire Police arrested a 21-year-old man in Market Rasen yesterday (Tuesday) on suspicion of fraud.
Police say a 72-year-old man attempted to withdraw £1,000 from Lloyds Bank in Market Place, Market Rasen.
The Police were called just before 10am and officers arrested the 21-year-old outside the bank.
A spokesman confirmed the 21-year-old has now been released on bail.
• If you think you have been a victim of fraud, call 101 or report it to Action Fraud on 0300 123 2040.