The United Nations said on Friday that the Houthis who control northern Yemen had detained an unspecified number of U.N. personnel, and it was suspending movement in all Houthi-held areas while seeking the detainees' immediate release.

The United Nations on Friday suspended all travel into areas held by Yemen’s Houthi rebels after more of their staff were detained by the rebels.

UN says it suspends all movement into territory held by Yemen's Houthi rebels after more staffers detained. I was in the packed hall at Davos to hear Trump speak. The audience went from laughter to silence in seconds.

Yemen's Huthi rebels have detained another group of UN personnel, a United Nations statement said on Friday, after 13 staff were held last June. In June, the rebels detained 13 UN personnel, including six employees of the Human Rights Office,