• In this Thursday, Feb. 17, 2011 file photo, hundreds of newly trained al-Shabab fighters perform military exercises in the Lafofe area some 18 km south of Mogadishu, in Somalia. A Somali military official said Tuesday, Sept 1, 2015 that al-Shabab Islamic extremists have attacked an African Union (AU) base in the small farming town of Janale in southern Somalia. (AP Photo/Farah Abdi Warsameh, File)

    Somali militants overrun base for African Union forces

    MOGADISHU, Somalia (AP) — Al-Shabab overran an African Union base in southern Somalia early Tuesday, a Somali military official said, in the latest display of the Islamic extremists’ capacity to hit back amid a prolonged offensive against them.