Two women teachers and a young pupil were stabbed by a teenage miss pupil successful the playground astatine a broad school, witnesses said.
The 1800-pupil schoolhouse was enactment successful lockdown aft the miss lashed retired with a butterfly weapon and a 'Code Red' was announced implicit the talker system.
Children were told to fastener themselves wrong classrooms and support their heads down until constabulary arrived.
A video of the stabbing taken by a pupil successful the playground was aboriginal posted onto societal media.
It showed her being stabbed earlier she was overpowered by a antheral subordinate of staff.
A Year Nine pupil, a miss aged 14 oregon 15, was arrested and taken distant successful handcuffs for questioning.
Both teachers were airlifted to infirmary pursuing what constabulary called a 'multiple stabbing' astatine Ysgol Dyffryn Aman( Aman vale School) successful Ammanford, Carmarthenshire.
A teacher is among 3 radical injured aft a fearfulness weapon onslaught at Ysgol Dyffryn Aman secondary schoolhouse successful southbound Wales, constabulary revealed today
The unit subordinate astatine the school, besides known arsenic Amman Valley School, was allegedly 'slashed crossed the neck' successful the weapon onslaught soon aft 11.15am
Emergency services including constabulary and 2 aerial ambulances raced to the schoolhouse this greeting pursuing reports of a 'major incident'
Eye-witnesses said 1 was slashed crossed the pharynx with a butterfly weapon and six paramedics carried her into a chopper connected the schoolhouse playing field.
Grandmother Maria Davies, 50, said: 'She didn't look precise bully - determination were medics each astir her. We are each conscionable praying she pulls through.
'Not agelong aft I saw the schoolgirl successful handcuffs being taken into a constabulary car.'
Mrs Davies was among hundreds of disquieted parents who dashed to the schoolhouse gates aft video of the stabbings was posted connected societal media.
Dyfed-Powys Police aboriginal reassured them saying an apprehension had been made and they were not looking for anyone other successful transportation with the stabbings.
A young pupil who jumped the schoolhouse obstruction to flight said: 'It was astatine the extremity of the greeting interruption erstwhile I heard Code Red being called implicit the speakers.
'I've ne'er heard 1 earlier but I knew what it meant.
'You're expected to tally to a schoolroom but I was person to the schoolhouse obstruction truthful maine and a fewer different boys jumped it.'
Some pupils hid successful cupboards wherever they messaged their parents to fto them cognize what was happening wrong the bilingual school.
But astir were kept wrong locked classrooms and told to support their caput down until the information had passed.
Another antheral pupil said: 'It was horrible, determination was humor each implicit the crushed but I didn't panic.
'Both teachers were severely wounded but 1 was stabbed successful the neck. She is 1 of the champion teachers here, everybody likes her.'
Hundreds of parents arrived astatine the schoolhouse gates aft proceeding astir the stabbing connected societal media.
The schoolhouse is presently nether 'code red' and pupils person been enactment successful the canteen successful bid to sphere the transgression scene
Police and disquieted parents waiting astatine the schoolhouse gates of Ysgol Dyffryn Aman, besides known arsenic Amman Valley School aft a aggregate stabbing connected Wednesday afternoon
The schoolhouse was placed connected 'code red' and students were not released from lockdown until officers had spoken to classrooms individually, 1 genitor said
One genitor said: 'This is simply a quiescent country and a bully schoolhouse with a bully community. We conscionable can't fig retired what has gone on'
Police enactment each pupils successful the school's canteen arsenic they effort to sphere the schoolroom and surrounding areas arsenic a transgression scene.
Children were hugged by their parents aft being fto retired of schoolhouse astatine 3.30pm, the accustomed time.
It's understood some women teachers were flown by aerial ambulance to the University Hospital of Wales, 70 miles from Ammanford.
Dyfed-Powys Police said: 'Three radical person been injured and are receiving treatment.
'One idiosyncratic has been arrested and we are not looking for anyone other successful transportation with this incident.
'Emergency services stay astatine the country and the schoolhouse has been closed portion investigations continue.
'We are moving intimately with the schoolhouse and Carmarthenshire County Council. We are alert that determination is footage of the incidental presently circulating connected societal media.
'We would inquire that this is removed to debar contempt of tribunal and distress to those affected. We would inquire that radical bash not speculate portion determination is simply a constabulary probe ongoing.'
Parents waiting extracurricular the schoolhouse gates waiting extracurricular earlier they tearfully embraced their sons and daughters erstwhile they were released astatine astir 3.20pm
The alleged incidental is said to person taken spot astatine Ysgol Dyffryn Aman, besides known arsenic Amman Valley School, successful Ammanford successful the westbound Wales county. Pictured: Two aerial ambulances connected the schoolhouse field
The Welsh connection schoolhouse has 1,800 pupil aged 11 to 18. The schoolhouse is situated successful the northbound of the Ammanford municipality centre, portion the municipality itself is simply a fewer miles north-east of the occidental terminus of the M4
One aerial ambulance is said to person present near the tract and is reportedly flying towards the University Hospital successful Cardiff. The 2nd remains connected site
The alleged incidental is said to person taken spot astatine Ysgol Dyffryn Aman successful Ammanford successful the westbound Wales county