Much of the slaughter has been blamed on pro-government militias.
Many protesters have been wounded, and at least one killed, by pro-government militias.
First came the Fur, one of the ethnic groups that has been under attack by pro-government militias.
The doctor said he himself had been threatened by pro-government militias.
In June 1998 an attack was made on his house, apparently by members of a rival pro-government militia.
Men in uniform here can be regular soldiers or members of pro-government militias.
Security in those areas will be left to the local police, German forces and pro-government militias.
It is unclear whether the pro-government militia has been acting on the orders of some government officials or other local leaders.
Insurgents and pro-government militias blame each other for the killing.
This was interpreted as a struggle between different pro-government militias over who would control the oil fields.