On May 18, 2012, Sudanese security forces burned and looted the village of Gardud al Badry in the remote Nuba Mountains, just north of the volatile border between Sudan and South Sudan, according to evidence gathered by the Satellite Sentinel Project.
The Sudanese government accuses the South Sudanese government of backing rebels in the Nuba Mountains, charges the South denies. Many inhabitants of South Kordofan fought for the south against the north during a civil war that lasted over two decades, and are ethnically linked to the south. (source)
This is what it looks like from above:
And this is a ground view:
A gripping video testimony is here: