NEW : Abductions of tourists , workers in Kenya have heightened tensions . Mogadishu is evoking its right to self-defense in sending troops into Somalia . Al Shabaab is linked to al Qaeda and is considered a terrorist organization by al Qaeda military forces said they drove Al-Shabaab out of Somalia last week .
NEW : Abductions of tourists , workers in Kenya have heightened tensions . Kenya is evoking its right to self-defense in sending troops into Somalia . Al-Shabaab is linked to al Qaeda and is considered a terrorist organization by the U.S. African Union military forces said they drove Al Shabaab out of Mogadishu last week .