ADDIS ABABA, Ethiopia - Libya's leader says he will work to end the crisis in Darfur in his new role as African Union chairman.

Moammar Gadhafi already has been involved in mediating the conflict in Sudan's Darfur region with little success. Since 2003, as many as 300,000 people have died in Darfur and 2.7 million have fled their homes - including into neighbouring Chad.

Gadhafi today warned Sudan and Chad not to use the vast region in western Sudan as a battleground.

The two countries have accused each other of supporting the other's rebel groups.

The chairmanship of the African Union is a rotating position held by heads of state for one year and gives the holder some influence over the continent's politics but carries no real power.

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