THE death of Boko Haram warlord Abubakar Shekau could spark a bloody ISIS uprising in west Africa, experts fear. Shekau is said to have blown himself up as he was hunted down by rival terror group Islamic State West Africa Province (Iswap), which is now poised to dominate the region. Iswap claimed they had orders to kill Shekau from ISIS commanders in the Middle East, who were concerned at his indiscriminate killing of Muslims. They raided his forest lair in Nigeria last month, reportedly inflicting heavy casualties with weapons mounted on pickup trucks. Iswap leader Abu Musab al-Barnawi claimed Shekau...