Terror Attack Suspected in London After Man Plows Into Pedestrians With Car

American Couple Killed in ISIS-Claimed Attack While Attempting to Cycle Around the World

Homeless Man Who Helped Victims During Manchester Attack Now Admits to Stealing From Them

Officials Warn Americans to Be on 'High Alert' Over Holiday Weekend Amid Melbourne Car Attack

Fire and Power Outage at Atlanta Airport Sparks Fresh Terror Fears Ahead of Holiday Travel

Was Botched Subway Terror Plot Part of a Real-Life War on Christmas?