A Sudan Air Force plane dropped three bombs in Umdarain locality of Nuba Mountains leaving three civilians injured and one donkey dead on Sunday.
Victim Ayup Doloka told Voice of Peace that one of the bombs fell inside his compound and wounded him, his sister and grandmother.
He said the bomb completely destroyed their home.
Fighting between government troops and SPLA-N rebels broke out after gubernatorial failed elections in South Kordofan in June 2011.