Mr Dujarric also sent condolences to the people and Government of Nigeria.
UN secretary-general António Guterres raised concerns over declining global funding for development programmes.
He added it was the first time that funds were released from one of OCHA’s regional funds.
Since Aug. 11, the UN has documented the killing of at least 125 civilians in the El Fasher area.
The UN said the full response plan would be launched at the end of this month and expected to require $700 million through 2024.
“We are also providing medical supplies for the response to malaria, which, as of July 30, has impacted over 1.7 million people and claimed 200 lives,” he said.
According to the UN, roughly 4.3 million people in the West African country rely on humanitarian aid.
“They are also delivering hygiene supplies and other basic items to people in Mykolaiv and Odesa who have been evacuated and sought shelter in those two towns.
More than 30 Nigerians were on Wednesday ambushed and killed in a village in Borno State, with several people injured and others still missing.
UN secretary-general António Guterres has expressed sadness over the reported death of at least 34 people in a South Africa fuel tanker explosion.
