An investigation is underway into a claim that a gun was seen at a South Yorkshire school.
The gun is alleged to have been spotted at Kirk Balk Academy in Barnsley yesterday.
A South Yorkshire Police spokeswoman said: "Officers in Barnsley are currently investigating some information received via a third party that there may have been a recent incident, where a firearm may have been seen, at Kirk Balk Academy.
"While this is not a confirmed sighting of a firearm at this time, South Yorkshire Police takes reports of this nature incredibly seriously and a robust investigation is now underway to ensure that we quickly identify anyone that may have been involved.
"We do not tolerate the possession and, or, use of firearms or other weapons and if a crime has been committed, this investigation will deal appropriately with anyone responsible and will take the necessary action to remove any weapons."
Anyone with information should call South Yorkshire Police on 101.