In this Monday, Dec. 14, 2015 photo, Houthis, ride on a patrol truck as they chant slogans during a tribal gathering showing support for the Houthi movement in Sanaa, Yemen.

Yemeni peace talks in Switzerland ended on Sunday without an agreement to end nine months of civil war and foreign intervention but rival factions will resume negotiation on Jan. 14, a government delegation source told Reuters.

“The first round of Yemeni discussions ended with an agreement for them to be revived … in Ethiopia on the 14th of January,” the source told Reuters.

Earlier, the United Nations said peace talks between warring sides in Yemen have ended amid severe new fighting in the country.

The U.N. office in Geneva says the special envoy for Yemen, Ismail Ould Cheikh Ahmed, will hold a press conference later Sunday. The peace talks between pro-government fighters and militias began Tuesday in the Swiss village of Macolin.

Fierce fighting and airstrikes by a Saudi-led coalition pounded northern Yemen on Saturday, as the two main parties in the country’s conflict continued to violate a cease-fire.

Clashes in Hajjah Province near the Saudi border between militia-allied units and pro-government Yemeni forces have killed more than 75 people over the past three days, according to Yemeni security officials and witnesses said.

Yemen’s fighting pits the internationally recognized government backed by a Saudi-led, U.S.-supported coalition against the rebels, known as Houthis, who are allied with a former president and backed by Iran. Local affiliates of al-Qaeda and the ISIS group have exploited the chaos to grab land and exercise influence.

According to U.N. figures, the war in Yemen has killed at least 5,884 people since March, when fighting escalated after the Saudi-led coalition began launching airstrikes targeting the militias.

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