UNMISS has stepped up efforts to maintain peace in Malakal town, Upper Nile State, following violence that killed several people last week.
UNMISS and international partners have called for an immediate end to the mounting violence in the Greater Pibor area by armed youths from Jonglei.
The UN says no fewer than 173 civilians have been killed in South Sudan in four months of violence.
Among the 32 victims were three women killed by gunshots, and three children who drowned in the river while fleeing.
A top UN official, Nicholas Haysom, says South Sudan has made history with the appointment of two women to senior leadership positions.
