NEW : At least 50,000 people are said to have fled from the violence in Jonglei . Information minister : South Sudan 's government has gained control of a remote town that had been under attack by fighters from a rival tribe , the nation 's information minister said Monday . Some of the thousands who fled have started to return to Pibor . Earlier , an official said roughly 4,000 reinforcements were being sent to Pibor . The UN has warned that South Sudan is on a path towards civil war and called for all sides to stop fighting before it gets worse.
NEW : At least 50,000 people are said to have fled from the violence in Jonglei . Information minister : Some of the thousands who fled have started to return to Pibor . Earlier , an official said roughly 4,000 reinforcements were being sent to Pibor . The UN has warned that South Sudan is on a path towards civil war and called for all sides to stop fighting before it gets worse.