Mice are causing a lot of damage in Australia. There is a mouse plague because of a big harvest on farms. This is a big headache for farmers. The mice caused problems for a prison west of Sydney. It moved 420 prisoners to other prisons because of health and safety reasons. It will take 10 days to clean and repair the prison.

Mice have damaged many buildings. They are a danger to health. They have also damaged electrical wires. This is a danger to buildings. A spokesperson said the health of staff and prisoners is very important. He will make sure the prison is cleaned and repaired. He will look at ways to stop future plagues.