More than $13 million in U.S. funding for an international security force helping fight armed gangs in Haiti has been frozen under President Donald Trump's 90-day pause on foreign aid, the United Nations said on Tuesday.

The United Nations says that the U.S. has given notice that it is halting some funding to a U.N.-backed mission in Haiti tasked with fighting gangs trying to seize full control of the country’s capita

"The United States has not paused all assistance for the Multinational Security Support mission in Haiti," the spokesperson said. The United Nations said Tuesday that the United States had notified it that it was pausing a contribution of $13.3 million in pending aid.

As hundreds of armed gang members, entrenched in the hills above Haiti’s capital, await orders to attack the last enclaves not currently under their control, the multinational fight to end their terror is being impeded by the Trump administration’s freeze on foreign aid.

The US has notified the United Nations that it is freezing some funding to a UN-backed mission in Haiti tasked with fighting gangs trying to seize back control of the capital, Port-au-Prince, the

UN secretary-general spokesperson Stéphane Dujarric confirmed that the US will freeze KSh 1.6 billion in funding for the Haiti mission led by the Kenya police.

The United States has issued a stop order on funding for the Kenya-led Haiti Multinational Security Support Mission, plunging the UN-backed campaign into a funding crisis.

United Nations spokesperson Stephane Dujarric said the UN received "an official notification" from the United States asking to immediately stop the contribution for the multinational security support force for Haiti.