Two teachers and a pupil were hurt in the stabbing at Amman Valley School in Carmarthenshire on Wednesday.
Three injured in incident have now been released from hospital
Teck Resources Ltd. saw copper production surge in the first quarter compared with a year earlier as its Quebrada Blanca expansion project ramped up toward full production. The roughly US$8.7-billion project in Chile is at the heart of the company's efforts to shift focus towards metals crucial to the energy transition. The company completed all major construction at the project in the quarter, including a molybdenum plant and a ship loader that allowed it to start shipping mine concentrate, chi