ISIS is aggressively pursuing development of chemical weapons, setting up a branch dedicated to research and experiments with the help of scientists from Iraq, Syria and elsewhere in the region, according to Iraqi and U.S. intelligence officials. Their quest raises an alarming scenario for the...

Turkey Thursday handed over to Greece a man suspected of seeking to join Syria extremist, though not in relation to any attacks under investigation, a police source said. The suspect, a member of the Greek Muslim minority living in the northeastern town of Komotini, had been arrested in Turkey...

 Israel has arrested six 1948 Palestinians on suspicion of planning to travel to Syria to join ISIS in a case sparked by a man’s paraglider journey, police said Wednesday. All in their 20s and from Jaljulia north of Tel Aviv, the six were charged with “collaborating with hostile...

Iran has started cutting back on some nuclear technology, which could be reengineered to make nuclear weapons, in line with a deal with six world powers, a U.N. nuclear agency report said Wednesday. However, diplomats familiar with the report cautioned that the country is keeping thousands of...