Rex Phillips from the NASUWT union, which represents a large number of teachers at Cwmcarn High School, says they are "shocked and concerned by what appears to be a very serious incident" at the school yesterday.
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The caving group who helped save a team of young Thai footballers have rescued a sheep stuck for three weeks in the Black Mountain.
It comes after a petition calling for the ban attracted over 12,000 signatures.
South Wales Police said an investigation was underway after the officer was found in a "compromising position" in an interview room.