Yemen’s main warring factions endorsed a U.N.-brokered humanitarian truce from midnight on Friday although heavy fighting on the ground and Saudi air strikes carried on relentlessly.

The week-long truce will end at the same time as the Muslim holy month of Ramadan and aims to get aid to some 21 million Yemenis. All sides said they hoped a full ceasefire would follow.

A Saudi Arabia-led coalition of Arab states has been bombing the Iranian-allied Houthi rebel movement since late March in a bid to restore to power Yemen’s President Abd-Rabbu Mansour Hadi, who has fled to Riyadh. […]