Spain Declares Mourning After Deadly Adamuz Train Crash Kills 40

• A high-speed train collision near Adamuz, southern Spain, resulted in at least 40 deaths and over 120 injuries.
• The incident occurred when a Madrid-bound train derailed near Córdoba, crossing tracks and colliding with an oncoming train.
• Spain's government declared three days of national mourning and launched an investigation into the country's worst rail crash in over a decade.
• Rescue efforts were challenging due to twisted wreckage, with emergency services treating 122 people and 41 remaining hospitalized.
• Early investigations suggest a faulty rail joint may have contributed to the accident, described as "extremely strange" by Transport Minister Óscar Puente.

Why It Matters: Spain mourns 40 dead in Adamuz high-speed train crash; investigation underway into rail fault.