Monaghan County Council is to remove sheep carcasses dumped in north Monaghan.
However, it's expected to take a number of days due to the location where they are.
At least 20 sheep and lamb carcasses were dumped in the Poll an Aifrinn area of Slieve Beagh.
They were discovered on Tuesday evening.
Monaghan County Council has confirmed that it is aware of the situation and it is under investigation.
It says arrangements are being made to remove the carcasses but their location could mean it will take a number of days.