10 dead after two high-speed trains collide in Spain At least 10 people were killed when two high-speed trains collided on the train line connecting Madrid to the Andalucia region of southern Spain on Wednesday. This incident happened while 9 months ago, high-speed trains belonging to the same companies collided on the same track, near Adamos in the province of Córdoba, killing 46 people. This accident sparked a debate about the extent of investment in the maintenance of Spain's railway lines in recent years.