The UN chief on Monday expressed concern over US President Donald Trump's recent announcement of a pause in foreign assistance, according to Anadolu Agency.

"The Secretary-General (Antonio Guterres) notes with concern the announcement of a pause in US foreign assistance," spokesman Stephane Dujarric said during a news conference, emphasizing the critical role such aid plays in supporting vulnerable populations worldwide.

Noting the importance of ensuring that humanitarian and development programs remain unaffected, Dujarric said: "The Secretary-General calls for additional exemptions to be considered to ensure the continued delivery of critical development and humanitarian activities for the most vulnerable communities around the world, whose lives and livelihoods depend on this support."

Dujarric also reiterated the importance of engaging with the Trump administration to address global challenges collaboratively.

"The Secretary-General looks forward to engaging with the new United States administration on the provision of much needed development support to people grappling with the most difficult challenges confronting the developing world," said the spokesman.

"The US is one of the largest aid providers and it is vital that we work constructively to jointly shape a strategic path forward," he added.

The pause is part of Trump's executive order last week, which called for a 90-day review of foreign aid spending to assess its alignment with US foreign policy priorities.

While the memo outlines exceptions for Israel and Egypt, which annually receive $3.3 billion and $1.3 billion in foreign military financing, respectively, aid to other key US allies, including Ukraine, Jordan and Taiwan, is reportedly affected.