Police confirmed on Wednesday afternoon that three people were injured at Ysgol Dyffryn Aman school and are being treated for stab wounds.

Dyfed-Powys Police say the incident happened at about 11.20am on Wednesday morning.

The force confirmed the school was put into lockdown "for the safety of all on the premises".

The comprehensive school in the town of Ammanford in Carmarthenshire has over 2,000 pupils between the ages of 11 and 18.

Pupils were released from the school at around 3.20pm, with hundreds of parents gathered outside to collect them.

The school had been in lockdown since about 11am, with pupils told to stay in their classroom.

Hundreds of parents were assembled outside the school by 3pm, waiting to collect their children from the school.

Rachel Young, a parent at the school, told Sky News her daughter and other pupils had been "locked" in the classroom.

"She's fine but they've locked them in the classroom" she said.

"She's scared obviously. She says she's fine, but they all say 'I'm fine' but they're obviously not going to be and what's going to happen from now on, I don't know. We don't even know if the school's going to be open.

"I wanted to get here. I rang the school and they said they're not allowing anyone in or anyone out, but they couldn't really comment any further than that."

A spokesperson for Ysgol Dyffryn Aman said the family members of the injured have been informed.

"We would like to reassure parents and the public that the incident has been contained," they added.

Dyfed-Powys Police said it was aware that footage of the incident was "circulating on social media".

"We would ask that this is removed to avoid contempt of court and distress to those affected," a spokesperson said.

Police have also asked people not to speculate as the investigation is ongoing.

First Minister Vaughan Gething said he was "shocked to hear" about the incident, adding it was "a deeply worrying time for the school, families and community".

Prime Minister Rishi Sunak expressed his "shock" at the news.

Superintendent Ross Evans, Carmarthenshire Commander, said police were working with the school and other agencies to ensure "appropriate support is available to all involved".

"This was a very distressing incident and our thoughts are with the victims, their family and everyone impacted by what has happened," he added.

"Local people will see more police in the area over the coming days as the investigation continues."

Anyone with information that could help officers with their investigation is asked to contact Dyfed-Powys Police.