(Reuters) - Iran's Supreme Leader Ayatollah Ali Khamenei has responded to overtures from U.S. President Barack Obama amid nuclear talks by sending him a secret letter, the Wall Street Journal reported on Friday. Citing an Iranian diplomat, the paper said the Iranian cleric had...

(Reuters) - Clashes between Shi'ite Houthi militiamen and Sunni tribesmen fighting alongside Al Qaeda militants killed 26 people in Yemen , local officials said, as the United Arab Emirates joined Saudi Arabia and Western countries in closing its embassy in the country. Heavy...

G7 leaders have expressed their readiness to act against violators of the Ukraine cease-fire agreement, according to a joint statement Friday. "We, the leaders of Canada, France, Germany, Italy, Japan, the United Kingdom, the United States, the President of the European Council...

(Reuters) - Oil hit its highest level for the year on Friday with Brent crude rising above $60 a barrel, as euro zone economic growth exceeded expectations and market bulls priced in another drop in the U.S. oil rig count. The rise in prices was also fueled by bets that cuts in...