By Sohaib Shams
A high-speed train collided with another from behind on the Madrid-Seville line Wednesday, killing dozens of people and injuring scores more.
Rescue Operations Underway
Rescuers searched for survivors along the route following the crash, which marks Spain's second deadly train collision this year.
Photo Gallery Documents Aftermath
The Associated Press curated a photo gallery showing the wreckage and emergency response at the scene.
