GENEVA, Switzerland (AFP) – Countries on Tuesday pledged more than $610 million to address the “critical” humanitarian situation in Ethiopia, where more than 21 million people need aid and a dire food crisis is deepening.

The donor conference at the United Nations’ European headquarters had sought to raise significant pledges towards the $1 billion the UN has said is urgently needed to cover aid for just the next three months.

The conference hosts had stressed in advance that they did not expect to raise that full amount on Tuesday, but rather to begin closing the gap between needs and funding.

“We understand this is just the beginning, and we hope for continued and increased support throughout the year,” UN Assistant Secretary-General for Humanitarian Affairs Joyce Msuya said in a statement.

Twenty countries in all made new pledges, with Ethiopia’s top donor the United States saying it had pledged an additional $154 million.

Britain, which co-hosted Tuesday’s conference, ledged 100 million pounds ($125 million), while the European Union said that with member states it had pledged more than 131 million euros ($139 million).

Ethiopians are facing rumbling internal conflicts amid economic and climate shocks and an increasingly dire food and malnutrition crisis.

The UN has said $3.24 billion is needed this year alone, including to assist some four million internally displaced people.

But before Tuesday’s event, that plan was less than five percent funded.

“The gap remains very wide… We have really to act before it is too late,” Shiferaw Teklemariam, commissioner of the Ethiopian Disaster Risk Management Commission, told reporters in Geneva before the start of the conference.

The UN said an initial $1 billion was needed for the urgent aid response through the end of June.

It is also needed to prepare for the lean season, from July to September, when around 11 million people are projected to be critically food insecure.

“The humanitarian situation in Ethiopia is critical — but there is a window to act right now to break the downward spiral,” the UN’s humanitarian agency OCHA said.

Britain’s deputy foreign minister Andrew Mitchell said the situation was “extremely worrying.”

Washington also stressed the need for rapid action.

Authorities in the war-ravaged northern Tigray region warned last December it was on the brink of famine.