According to repots, a peacekeeper from Rwanda was killed and another injured.
"The Secretary-General expresses his deepest condolences to the families of the deceased peacekeeper, as well as to the people and Government of Rwanda. He wishes a speedy recovery to the injured," said the Spokesman for the Secretary-General, Stephane Dujarric, in a statement on Wednesday.
"The Secretary-General recalls that attacks against United Nations peacekeepers may constitute a war crime," the spokesman added.
The UN Chief also called on the Central African Republic authorities to take all the necessary measures to ensure accountability for these heinous attacks.
He also commended the continued engagement of the UN peacekeepers in their efforts to protect civilians and preserve national stability.
"The Secretary-General remains very concerned over continued destabilization efforts by armed groups in the Central African Republic, and calls on all parties to stop violence and engage in meaningful dialogue," the spokesperson stated.
"The Secretary-General reiterates the commitment of the United Nations, working closely with national, regional and international partners, to support the cause of peace in the Central African Republic," he concluded.