A mouse munched its way through thousands of pounds worth of cash after managing to find its way inside a cash machine in a bank in Estonia.

The animal was found inside the machine after a customer withdrew some money and got partly-eaten banknotes outside the bank in the capital Tallinn.

Bank security experts are investigating how the mouse managed to get into the machine.

Kristina Tamberg, spokeswoman for Hansapank Bank, said: ‘We have never heard of anything even remotely like this happening before.

‘At some stage over the weekend the chewed money jammed, and the mouse seems to have spent the rest of the weekend turning the notes into bedding. It probably was attracted by the warmth from the machine and decided to make itself at home.’