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.
More top news
It will be a dry night with clear spells for all of us, but the south-easterly wind will increase, becoming rather windy by morning.
Hundreds of campaigners are marching through the streets of Cardiff calling for the city's grassroots music venues to be protected.
People in Wales living with cancer face losing over £500 a month in income after diagnosis, according to Macmillan Wales.