Overview
- Dyfed‑Powys Police said a 17-year-old from Carmarthenshire was arrested on suspicion of threats to kill and remains in custody.
- The arrest follows a lockdown at Ysgol Bro Myrddin on Wednesday after a reported threat to a pupil prompted an immediate police response.
- Officials confirmed all pupils and staff were safe as officers secured the site and managed movement on and off the campus.
- WalesOnline reported a substantial operation at the school that included police dogs at the gates and a drone flown over the grounds.
- Traffic and school buses were held outside for more than an hour before pupils were released in stages, with all leaving by around 5:45pm.