Diplomatic efforts are being stepped up to try and improve security in the troubled western region of Darfur.
The Arab League and European Commission heads are having talks in the region.

African Union troops are struggling to monitor a peace deal and have been the focus of rebel attacks, but Sudan rejects allowing in UN peacekeepers.

More than 2m people have fled their homes and arrivals at displaced people's camps keep on coming, says the BBC's Karen Allen in Darfur.

Arab League Secretary-General Amr Moussa is in Khartoum for talks with President Omar al-Bashir, but Arab League members are divided about last month's UN Security Council resolution calling for the AU force to be replaced by UN peacekeepers.

The Security Council has approved sending a larger, better equipped UN peacekeeping force to protect civilians and guarantee the security of aid workers.