An illegal abattoir has been raided by gardaí in Co Monaghan.

The abattoir was discovered shortly after 3pm this afternoon near Clones.

Animal carcasses were being butchered at the time and two men who were in the premises have been questioned by gardaí.

One man is believed to be Irish while the other is understood to be a foreign national. 

Officers from the Department of Agriculture's Special Investigations Unit were also involved in the operation.