Officials: Vets' float crossed track after signals - Article Photos 7/20

Patriot Guard Riders comfort each other Friday, Nov. 16, 2012, in Midland, Texas, as they gather for a prayer service to pray for all those involved in the veterans parade train accident Thursday, where four veterans were killed and 16 other people were injured when a train slammed into a parade float carrying the returning heroes to a banquet. (AP Photo/Reporter-Telegram, Tim Fischer)