Greece Awaits Answers A Year After Worst Train Disaster

'This cannot be considered negligeance,' says grieving mother Maria Karystianou (Credit: AFP)

Greece was still waiting for a final accounting of what went wrong and who may have been responsible one year after its deadliest train crash killed 57 people.

The nation was plunged into mourning but also mass protests in outrage over the head-on impact between trains allowed to run on the same track for 19 minutes before colliding.