As rescuers sift through the remains of Spain's deadly train crash, take a look at the world's deadliest rail accidents.
6. Ufa (Russia, 1989) -- A leaking natural gas pipeline created a highly-flammable cloud that was ignited by sparks from two nearby passenger trains, causing an explosion that killed 575 people.
Pete Souza/White House Photo
It's easy to upload your photos and/or videos on News8000.com. Once you do, we'll share your upload with the community!