June 19 (Reuters) - Iran's Islamic Revolutionary Guard Corps (IRGC) has set up secretive new cells in Iraq to carry out attacks on Gulf countries that host American forces, bypassing established militia networks to avoid detection,

U.S. and Iranian negotiators headed to a Swiss venue Saturday for talks on adding key details to their interim agreement to halt the war, hours after Tehran said it closed the Strait of Hormuz because of Israel’s attacks in Lebanon and warned that little might be achieved if the fighting doesn’t stop.