To play this content JavaScript must be turned on and the latest Flash player installed.
The latest fighting in war-torn Somalia has pitted two militant islamist groups against one another in the southern port city of Kismayo.
Reports suggest the al-Shabab group has taken control of the city after clashes with the Hisbol-Islam group.
But why are they fighting each other?
Daud Aweys at the BBC Monitoring Unit in Nairobi has been following the conflict in Somalia, as well as this latest battle in Kismayo.
BBC © 2014The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.