Somalia's al-Shabab join al-Qaeda

Islamist militant group al-Shabab, which controls much of Somalia, has released a joint video with al-Qaeda, announcing the two groups have merged. Al-Shabab leader Ahmed Abdi Godane, known as Mukhtar Abu Zubair, said he "pledged obedience" to al-Qaeda head Ayman al-Zawahiri. The two groups have long worked together and foreigners are known to fight alongside Somali militants.

Somalia's al-Shabab join al-Qaeda