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Dr Elias said: "The challenges that we are facing in Wales are not unique to Wales."

"I knew him very well," says Elias, a 16-year-old who says he was friends with one of the victims, and has asked the BBC not to share his surname.

Christopher Elias, 45, from Waunceirch, Neath Port Talbot, has been charged with the offence of refusing to answer a question relating to the qualification to serve on a jury.

The teenager, who brought a weapon to school every day, used her father's multi-tool knife to initially attack Ms Elias on 24 April 2024.

Ms Elias and Ms Hopkin suffered multiple stab wounds and both said they thought they would die in the incident on 24 April 2024.