Sometimes even the United Nations should know when to just walk away. Yemen, that war-torn desert nation being fought over by the recognized Saudi-backed government in the south and Iran-backed Houthi savages in the north, is just one such case. On Monday, the United Nations (UN) announced it was suspending humanitarian efforts in Yemen after eight UN staffers were abducted by Houthi rebels.

The United Nations said Monday it has suspended its humanitarian operations in the stronghold of Yemen’s Houthi rebels after they detained eight more U.N. staffers, affecting the response to one of the world’s worst humanitarian disasters.

In a statement, the U.N. said the “extraordinary” decision to pause all operations and programs in northern Saada province was due to lack of “necessary security conditions and guarantees.”

The rebels in recent months have detained dozens of U.N. staffers, as well as people associated with aid groups, civil society and the once-open U.S. Embassy in Sanaa, Yemen’s capital.

What the Houthis hope to gain by kidnapping UN workers is a bit of a mystery unless they are planning to ask for a ransom. Also: let's dispense with the "detaining" euphemism, shall we? These people were abducted by terrorists.

The U.N. statement said the pause in operations is meant to give the Houthis and the world body time to “arrange the release of arbitrarily detained U.N. personnel and ensure that the necessary conditions are in place to deliver critical humanitarian support” in rebel-held areas.

It said the latest detained U.N. staffers included six working in Saada, on Yemen’s northern border with Saudi Arabia, impacting the U.N.’s ability to operate.

The U.N. late last month suspended all travel into Houthi-held areas.

The open question here is why the UN persists in keeping anyone in Yemen at all. This seems like an opportune moment to leave the Houthis in particular to stew in their own juice. This seems a ripe time for the UN to simply pull out entirely and leave the Houthis to deal with their own problems. The U.S. and regional military forces are perfectly capable, if the political will is there, to decapitate any attempts by the group to interdict shipping in the Red Sea or the Gulf of Aden. We have done it before.

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Yemen isn't a problem that any international relief agency, whether affiliated with the UN or anyone else, should be trying to solve. There is no solution as long as the northern part of the country is in the hands of Iran-backed Houthis rebels. The Houthis aren't interested in the safety, comfort, and well-being of the people of Yemen. They are not there to ensure the Yemeni people's prosperity and good health. They are terrorist rebels attempting to seize Yemen by force and rule it as the Taliban does Afghanistan and as Hamas rules Gaza. The only reason they have been able to hold on in northern Yemen is because they have the support of the world's largest state sponsor of Islamic terrorism.

As always, the problems in that part of the world always come back to the same place: Iran.

And, of course:

A spokesman for the Houthis didn’t immediately respond to messages seeking comment.

You don't say.