A UN-brokered ceasefire was taking hold in Yemen on Monday, raising hopes that peace talks due next week may finally resolve the country's devastating conflict.

Forces loyal to President Abedrabbo Mansour Hadi, the Shia Houthi rebels who drove his government out of the capital, and the Saudi-led coalition that intervened in Yemen last year all pledged to honour the truce after it took effect at midnight on Sunday.

The UN special envoy for Yemen, Ismail Ould Cheikh Ahmed, welcomed the ceasefire, calling it "a first step in Yemen's return to peace".

"This is critical, urgent and much needed. Yemen cannot afford the loss of more lives," the Mauritanian diplomat said.

Previous efforts to stop the fighting in Yemen - which has left thousands dead and forced more than 2mn people from their homes - have collapsed amid mutual recriminations.

The conflict in the impoverished Arabian Peninsula nation has ruined large parts of the country and raised tensions in the Middle East, with Saudi Arabia and its allies backing the government and Iran supporting the rebels.

Jihadists including from Al-Qaeda in the Arabian Peninsula (AQAP), the powerful Yemeni branch of the extremist network, have taken advantage of the conflict to seize territory and gain influence.

But pressure has been building for the ceasefire and there are hopes it can be the cornerstone of a long-lasting peace deal that can be hammered out at talks taking place from April 18 in Kuwait.

'Step back from the brink'  

General Mohamed Ali al-Makdashi, the chief of staff for Hadi's forces, said on Monday morning that the ceasefire was largely holding despite some violations by rebel fighters.

"The truce has not collapsed and we hope the rebels end their attacks and respect the ceasefire," he said, alleging breaches of the ceasefire in several areas including the cities of Taez in southwestern Yemen and Marib east of Sanaa.

A committee comprised of representatives from both sides will work to ensure the ceasefire is respected.

The coalition's spokesman, Brigadier General Ahmed Assiri, described the violations as "minor".

"It is the first day and we should be patient," the top Saudi officer told AFP.

An AFP photographer in Sanaa said the rebel-held capital has not been targeted by coalition warplanes since Sunday.

"Now is the time to step back from the brink," the UN's Cheikh Ahmed said. "The progress made represents a real opportunity to rebuild a country that has suffered far too much violence for far too long."

Makdashi had earlier said loyalist forces would respect the ceasefire but reserved the right to respond if it was violated by Houthi forces.

The Houthis, who are allied with troops loyal to ex-president Ali Abdullah Saleh, also committed to the ceasefire in a letter sent to the UN, according to a statement carried by the rebel-run Saba news agency.

Yemenis sceptical  

Saudi Arabia and a coalition of allies launched air strikes in March last year against the Houthis and later sent ground troops to support pro-government forces.

The loyalists have since managed to reclaim large parts of the south, establishing a temporary capital in Aden, but have failed to dislodge the Houthis from Sanaa and other key areas.

The coalition has come under fire from human rights groups, who allege its air war has caused heavy civilian casualties in Yemen.

The UN says more than 6,300 people have been killed in Yemen since March last year, around half of them civilians.

Analysts said the ceasefire is part of the most promising attempt yet to bring an end to the conflict.

"For the first time, the groups that can end major military operations, particularly the Saudis and the Houthis, appear to be more willing to do so," said April Longley Alley, a Yemen specialist at International Crisis Group.

"Even if major combat ends, the road to peace in Yemen will be long and difficult and internal conflict is likely to continue for some time."

Yemenis appeared sceptical of any lasting impact.

"I do not expect the truce to succeed," said Zayed al-Qaisi, a resident of Marib who doubted the Houthi commitment to the agreement.

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