Ystradgynlais Police have asked parents to ensure their children do not enter an “extremely unsafe” old school building in Colebren.
The building poses an extreme risk to children and any emergency services that may have to enter.
A spokesperson for Ystradgynlais Police said: “Parents please can you ensure that your children are not entering the old school in Colebren. This building is extremely unsafe, posing a risk to both the children and any emergency services that may have to attend.”