Over 423,000 people have already been displaced, of whom more than 270,000 have taken refuge in UNRWA shelters.
It admitted that aid agencies have so far provided lower figures.
However, he said the work couldn’t be carried out when relief workers themselves are at risk.
“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.
Streets in some Sudanese cities returned to relative calm on Sunday as a shaky ceasefire helped scale back a violent conflict.
The UN on Thursday launched a $1 billion appeal for Türkiye to assist more than five million people affected by the cataclysmic earthquakes.
Ukraine and Russia account for roughly 30 per cent of the world’s exported wheat and barley.
The international community is pumping roughly $40 million into Afghanistan’s economy weekly, but there were complaints Taliban was allocating the money to its supporters.
“The secretary-general strongly urges all parties to enact an urgent and immediate humanitarian ceasefire.”
