https://cdnph.upi.com/ph/st/th/7761786084750/2026/upi_com/a690bb7d2ee7947901c9a222f5ba659d/v1.5/7-killed-30-injured-in-Thailand-school-shooting-suspect-also-dead.jpg" /> A 14-year-old student allegedly gunned down his grandparents before opening fire at his school, killing five teachers and injured dozens of others.