The UN says attacks against Ukrainian port infrastructure are not isolated and impact global food prices and the most vulnerable people.
UN secretary general Antonio Guterres has underlined his support for ongoing mediation efforts by (ECOWAS).
More than 100 casualties were recorded in the suicide bombing.
The UN condemned the coup and undermining of democratic governance, peace and stability in Niger.
According to reports, the air strike, which happened on Saturday, killed at least 22 people.
Several maternity hospitals are also out of action.
Borno, Adamawa and Yobe are the focal states to benefit from the funds.
“The secretary-general urges all parties concerned to exercise maximum restraint and to work to stop hostilities immediately,” Mr Haq said.
“We alerted last week that 4.3 million people in Borno, Adamawa and Yobe states risk severe hunger from June to August.”
A spokesman for the United Nations underscored the importance of upholding the status quo in the holy sites.
