HODEIDAH, Yemen (Reuters) - Yemen’s Houthi forces have started to redeploy from the port of the Red Sea city of Hodeidah as part of a U.N.-sponsored peace agreement signed in Sweden earlier this month, a U.N. source and a spokesman for the group said on Saturday.

The Iranian-aligned Houthis have agreed with the Saudi-backed government to implement a ceasefire in Hodeidah province and withdraw their respective forces.

Retired Dutch general Patrick Cammaert, the head of a United Nations advance team charged with monitoring the ceasefire, arrived in Hodeidah this week.

Under the deal, international monitors are to be deployed in Hodeidah and a Redeployment Coordination Committee (RCC) including both sides, chaired by Cammaert, will oversee implementation. The committee started its meetings this week.

A U.N. source said the Houthi forces, which control the city and its strategic port, had started to redeploy overnight.

Hodeidah’s Houthi governor, Mohammed Ayash Qaheem, told Reuters that the group’s fighters had withdrawn from the port as specified in the peace agreement, handing control to local units of Yemeni coast guards who were in charge of protecting ports before the war. These will be under U.N. supervision.

A Reuters camera operator saw the U.N. team led by Cammaert witnessing the fighters’ withdrawal.

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The Houthis’ withdrawal from the three ports of Hodeidah, Salif and Rass Issa is intended to be the first step in the implementation of the agreement, to be followed by both sides pulling their forces out of the city and the surrounding province.

BUILDING CONFIDENCE

Military officials from the government forces, which control some southern parts of the city of Hodeidah, said they needed time to establish if the Houthi forces had really withdrawn from the ports.

The government fears that the coast guards may remain loyal to the Houthi-controlled Sanaa government after the withdrawal.

It is still unclear how far the forces will withdraw and who will eventually control the three ports and the city, or if the two sides will share control with U.N. monitors positioned between the two fronts.

Cammaert’s team will not be uniformed or armed, the United Nations has said, but it will provide support for the management of and inspections at the ports, and strengthen the U.N. presence in the city.

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The agreement, the first significant breakthrough in peace efforts in five years, was part of confidence-building measures intended to pave the way for a wider truce and a framework for political negotiations.

The international community has been trying for months to avert an all-out government assault on Hodeidah, the entry point for most of Yemen’s commercial goods and aid supplies, and a lifeline for millions of Yemenis on the verge of starvation.

The truce came into force on Dec. 18.

On Friday, the United Nations said both parties had agreed to begin opening humanitarian corridors, starting with the key coastal road between Hodeidah and the Houthi-held capital, Sanaa.

The parties are due to present detailed plans for a full redeployment to Cammaert at the next RCC meeting on Jan. 1, the United Nations said in a statement.