"There is no embargo", Ambassador Abdallah Al-Mouallimi said.
"There is no embargo", he said.
The U.N. children's agency UNICEF had only three weeks of vaccine supplies left in Yemen, and both UNICEF and the World Health Organization had shipments of essential medicines and vaccines blocked in Djibouti, McGoldrick said.
On one side of the conflict, Houthi rebels who deposed a Saudi-allied government.
He said many weapons have been smuggled to the Houthis through Hodeida and the small ports they control.
Humanitarian agencies had been successful in preventing starvation and tackling a cholera outbreak that has sickened more than 900,000 people in six months and killed over 2,200.
The agency reported that the closure of Yemen's border has halted the delivery of emergency assistance for almost 280,000 internally displaced people, and stranded some of its staff outside the country while others lack fuel for transport, he said.
Saleh al-Sammad, the head of the Presidency Council of Yemen's rebels, also known as Houthis, told a rally of thousands of supporters marching down a main boulevard in the capital, Sanaa, that the coalition has "shut down all doors for peace and dialogue". The more the blockade tightens, he said, the more the Houthis will develop their abilities to "respond to the assault of the enemy".
On the other, a Saudi-led coalition backed by US weapons and logistics.
The mission's announcement came in a statement early on Monday.
The Islamic State group meanwhile struck a fresh blow to Saudi-allied forces in the country's south, where a suicide vehicle bombing early on Tuesday targeted security forces in the port city of Aden, killing at least six people and wounding scores.
Saudi Arabia and the US have accused Iran of supplying the ballistic missile used in that attack.