The volunteers will be expected to abide by a code of conduct.
Here are the recorded killings in January.
Initial death tolls are revised upwards.
The overarching worry is that the crisis could spread further across West Africa.
France has called five African presidents to a meeting on Monday to disavow rising anti-French hostility in their countries.
If Washington wants to be on the right side of history, it must open the way for Sudan to receive economic support.
All we know about the massive explosion which has left Port Harcourt terrified and in fear.