Overview
- At Instituto Sao Jose in Rio Branco, two female staff members were killed and two others were wounded as panicked students fled to the roof and toward a six-metre wall.
- Police said the 13-year-old student fired in a hallway near the principal’s office and then surrendered to officers.
- Investigators reported the weapon was a .380-caliber pistol owned by the boy’s stepfather, who was also arrested.
- State officials suspended classes for three days across Acre and deployed psychological support teams for students and staff.
- Police said they have identified other students who may have cooperated, reflecting concern over a recent rise in attacks on Brazilian schools.