Man Claims Responsibility for Chelsea Bombing in Online Manifesto

Mayor Calls Manhattan Blast 'Intentional Act' After Exploding Dumpster Injures Dozens

Explosive Device Detonates Along Marine Corps Charity Run Route

Couple Climbs World's Tallest Construction Site Without Harnesses: 'I'm Not Afraid of Getting Caught'

Ryan Lochte, 3 Other U.S. Swimmers Robbed at Gunpoint While Traveling to Olympic Village in Rio

Teen Who Killed French Priest Tried to Enter Syria Twice and Had Been Imprisoned Prior to Attack

After Bloody Church Siege in France, Are American Houses of Worship Safe From Terror?

2 'Soldiers of ISIS' Slit Throat of 86-Year-Old Priest and Hold Nuns and Churchgoers Hostage During Mass

At Least 15 Killed in Stabbing Rampage at Facility for Handicapped People: 'I Want to Get Rid of the Disabled'

Police Rescued U2's Bono After He Was Caught Up in Nice Terror Attack