Al-Qaeda chief Ayman al-Zawahiri has called for revenge attacks in Saudi Arabia and on the West after the kingdom's execution of some 40 extremists, according to a message posted online. In the message, Zawahiri called on supporters to attack "the Crusader-Zionist coalition whenever possible"...

Turkish authorities detained three Russian nationals suspected of links with Islamic State following a suicide bomb attack in Istanbul that killed 10 tourists, media reports said on Wednesday. A suicide bomber thought to have crossed recently from Syria killed nine German and...

 An Israeli air raid Wednesday in the northern Gaza Strip targeting alleged militants killed one Palestinian and wounded three others, a Palestinian official and the Israeli army said. Israeli aircraft "targeted a terror cell plotting to detonate an explosive device against (military)...

At least seven Sunni mosques and dozens of shops in eastern Iraq were firebombed Tuesday, security sources and local officials said, a day after 23 people were killed there in two blasts claimed by ISIS. Ten people were also shot and killed in Muqdadiya, 80 km (50 miles) northeast of...