The militant Islamist group known as al-Shabab is deepening control over much of south and central Somalia and parts of the country's capital Mogadishu, posing threats to the U.S.-backed government in Somalia and the United States itself.

U.S. war planes killed the suspected head of al-Qaida in Somalia and as many as 30 other people Thursday in an overnight airstrike, a U.S. defense official said. The head of the Islamic insurgent group confirmed the attack killed its…

The Latest