(Reuters) - Hillary Clinton is expected to announce her campaign for the Democratic presidential nomination in 2016 as early as this weekend, facing no substantial competition but needing to get her organization in place for the long battle to come. A variety of sources in the Clinton...

(Reuters) - Iran's leader on Thursday condemned as genocide the military intervention by its main regional rival  Saudi Arabia  in Yemen, sharply escalating Tehran's rhetoric against the two-week-old air strike campaign. Ayatollah Ali Khamenei said Saudi...

(Reuters) - Warplanes from a Saudi-led coalition struck al-Anad airbase in south  Yemen overnight and targets in areas around the southern port city of Aden, residents and local officials said on Wednesday. Saudi Arabia and four other Gulf Arab states, along with regional...

(Reuters) - Explosions shook the suburbs of the Yemeni port city of Aden on Monday as residents reported a foreign warship shelling Houthi positions on the outskirts of the city. Street fighting and heavy shelling has for several days torn through the city, the last bastion of...