Back in Yemen, UN envoy says he is disappointed by Shiite rebels' tough stance

The U.N. envoy to Yemen has expressed "disappointment" over the refusal by the country's Shiite rebels to withdraw their fighters from state institutions and release the prime minister from house arrest.

The conditions were stipulated in a Security Council resolution seeking to help resolve the crisis roiling Yemen amid the power grab by rebel Houthis.

The U.N. envoy, Jamal Benomar, warned during a visit to the southern city of Aden on Wednesday that no single party "will be able to impose" control over all of Yemen.

Benomar spoke shortly after meeting with embattled Yemeni President Abed Rabbo Mansour Hadi, who fled from Houthis' house arrest and is establishing his base in Aden.

Hadi has also called for relocating embassies from the capital, Sanaa, now in rebel hands, to Aden.