The Madrid train bombings occurred on March 11, 2004, when a series of coordinated explosions targeted commuter trains in Madrid, Spain. The attacks took place during the morning rush hour, killing 191 people and injuring over 2,000 others. The bombings were attributed to Islamist militants linked to Al-Qaeda, although the initial investigation faced confusion regarding the perpetrators. The tragic event had a significant impact on Spanish politics and public opinion, leading to increased security measures and a shift in the country's approach to counter-terrorism.