Man Killed by Police After Deliberately Striking Pedestrians in Philadelphia

Bomb Threat Hoaxes Prompt Evacuations of Thousands Across Russia

World Boosts Security Ahead of NYE Celebrations

Kabul Christmas Attack Kills 6

String of Pennsylvania Shootings Labeled Terrorism by DHS

Fears of a Christmas Terror Attack

Melbourne Car Attack Injures 18

FBI Foils Christmas Attack in California

ISIS claims terror attack on Pakistan church that killed 9, hurt 57

CIA helps foil 'huge ISIS attack' on St. Petersburg, reports claim