Q&A: East Africa hunger crisis

The UN has declared a famine in parts of Somalia - the first in East Africa this century. Two years of drought have displaced 25% of Somalia's population, while other countries in the region have also been badly affected.

How bad is it?

Why is Somalia worst affected?

Could the situation improve?

Have there been famines in the region before?

Can peace be restored to Somalia?

Is enough aid getting through?

Are talks taking place with al-Shabab?