About 500 people were sent to South Kordofan state and are allegedly spying for the National Congress Party.
A local priest said 500 spies were sent to cover every ethnic group in the Nuba Mountains.He added that a 16 year-old boy who was capture sayed he was spying for the NCP.
The boy latter revealed his colleagues.
He said that those spies carry satellite telephones with them and go to the military basis, populated villages and airstrips. They direct pilots to bomb strategic places.
The priest added that this is the country of the Nuba and people should never be enemies of one another.
Southern Kordofan has descended into conflict two months ago when the SPLM-north and NCP traded blames over vote rigging.