4 UN workers kidnapped in Yemen.

INTERFAX - Four members of the UN have been kidnapped in Yemen, they include citizens of Colombia, Germany, Iraq and Palestine.

In addition, two Yemenis, who were the drivers of UN staff were also kidnapped.

The incident occurred in the province Mahvit, 50 kilometers from the capital Sana'a.

Security forces surrounded the area where the hostages are being held and are in phone contact with the kidnappers.

The kidnappers are demanding the release from prison of Ali Al-Ghanem Zubarev.

Over the past 15 years over 200 people have been kidnapped in Yemen with almost all of them having been released.