Supporters of Bernie Sanders disrupted the first day of the Democratic convention on Monday, repeatedly chanting and booing mentions of Hillary Clinton's name as the party's hopes for a show of unity dissolved into frequent chaos. Speakers in the convention's first hours struggled to carry...

Al Qaeda chief Ayman al-Zawahiri has appeared in an audio interview calling on fighters to take Western hostages and exchange them for jailed jihadists, the monitoring service SITE Intelligence Group said on Sunday. In recording posted online, Al-Zawahiri called on the global militant network...

 Islamic State claimed responsibility for a suicide attack in the Afghan capital Kabul on Saturday that killed at least 61 people and wounded more than 200 when it tore through a demonstration by members of the mainly Shia Hazara minority. Graphic television footage from the site of the...

A hand-painted flag of ISIS has been found among the belongings of the 17-year-old Afghan refugee who attacked train passengers with an axe and a knife, authorities said Tuesday. The flag was found in the room of the man who seriously wounded four people and injured several others on a...