The headteacher of Olchfa Comprehensive School in Swansea says the school is "shocked and saddened" by the sudden death of a 15-year-old pupil.
At this time we are unaware of the circumstances that led to his death but we are acutely aware of how it will affect his friends, his teachers and the wider school community.
It is impossible to describe the sense of grief we feel for his family and our hearts go out to them at this time. There is nothing we can say to take away their pain. He has been taken away from them, from us, in the most tragic of circumstances and we are all struggling to come to terms with it.
Support is in place for pupils and teachers, Mr Davies added.
More top news
Temperatures will rise steadily in the strong June sunshine.
The Welsh Conservatives say the Swansea project should go ahead despite indications the UK Government may be about to turn it down.
Road closures are in place until 3pm today as the Cardiff Triathlon gets underway in Cardiff Bay.