Sam Champion reports on the latest details of the powerful storm. (ABC News Videos)
Emergency responders don't want to leave anyone behind in tornado debris. (ABC News Videos)
Photographer discusses taking photos of the natural disaster. (ABC News Videos)
Church members are ready to provide food for those in need. (ABC News Videos)
A look at rooms designed to help protect people during powerful storms. (ABC News Videos)
Doctors try to save the lives of those hurt during the storm. (ABC News Videos)
Survivors discuss what happened to them during the storm. (ABC News Videos)
Extraordinary measures are underway to help reunite pets with their worried owners. (ABC News Videos)
Both the 1999 and 2013 tornadoes followed virtually the same path through the Oklahoma town. (ABC News Videos)
People search through destroyed homes looking to salvage irreplaceable heirlooms, mementos. (ABC News Videos)
Documenting Oklahoma Tornado Rescue Efforts
Rescue Workers Search Oklahoma Homes Multiple Times
Community Groups Help Oklahoma Tornado Victims
Moore, Oklahoma, Tornado's Path of Destruction
Safe Storm Shelters Saved Lives During Oklahoma Tornado
Oklahoma Hospitals Race to Save Tornado Victims
Students Recount Experience During Oklahoma Tornado
Animal Rescue Efforts After Destructive Tornado
Second EF-5 Tornado for Moore, Oklahoma
Families Search for Wedding Photos, Other Belongings
Family Survives Direct Tornado Hit in Oklahoma
Moore, Oklahoma, Schools Hit Hard by Tornado
