Tonj State Minister of Information says the state governments of Wau and Tonj will investigate the cause of conflict that led to killing of two pastoralists from the area.
Madit Malek Akuien says the two states are working to resolve the misunderstanding between Wau and Tonj citizens, Don Bosco Radio reports.
He says the state governments of Tonj and Wau have jointly condemned the incident.
The tribes of Wau and Tonj did not have any bad relationship in history, he says.
The incident is just a misunderstanding that will be brought under control, the minister says.
Last week, fighting broke out between Tonj and Wau pastoralists, leaving two of them dead and two others injured.