At least three civilians were killed and three others wounded in the clashes in Yambio, Gbudwe State on Thursday evening, confirmed Mayor.
Daniel Badagbu said the attackers came through Piro and attacked the Byporu Zone commonly known as Hai Kuba, Radio Bakhita reports.
The clashes lasted for ten minutes and the government forces managed to intervene and took control of the situation, he added.
The Mayor explained that the security returned to normal after SPLA-IO forces loyal to Dr Riek Machar carried out the attacks.
On Thursday evening at around a half past six, Yambio town witnessed, a terrifying moment when armed forces heavily started shooting in the area.