A huge explosion killed the governor of Yemen's southern Aden province and six of his bodyguards Sunday, security officials said, in an attack that was later claimed by a local Islamic State affiliate.<br />If true, it would be the highest-profile assassination carried out by the Islamic State in Yemen.<br />The war-torn country is home to what the U.S. considers the most dangerous al-Qaida offshoot, which controls parts of the country, mainly in the east and the south.<br />But the Islamic State's local affiliate has been stepping up its attacks lately, including an explosion at a mosque and targeted suicide car bombings.<br />An IS affiliate claimed the attack in a statement circulated online by supporters, saying the bomb was concealed in a parked car along the convoy's route.
