According to Houthi rebels on Sunday fuel tanker berth at Hudaydah port in western Yemen, first since UN-brokered truce took effect a day earlier.

Spokesperson for the Houthi-run Oil Company Essam al-Motwakel, in Sanaa said, ”vessel carrying mazut, a low quality fuel, arrived at the Hudaydah port after being withheld for 88 days.”

He told that three other fuel ships are still withheld, but he didn’t give further details.

Envoy Hans Grundberg came into force in war-torn Yemen on Saturday, after

Two-month truce brokered by UN special

Under the deal, “all air, ground and maritime attacks by Houthi rebels, government forces and the Saudi-led coalition will be halted.”

As Yemen has been engulfed by violence and instability since 2014, when Iran-aligned Houthi rebels took much of the country, including the capital Sanaa.

According to UN estimates report Saudi-led coalition, which has seemed to reinstate the Yemeni government, now has worsened the situation, causing one of the world’s worst man-made humanitarian crises which is nearly 80%, or about 30 million people, are in need of humanitarian assistance and protection, and more than 13 million in danger of starvation.