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Andrew Harnik, Pool, Associated Press
U.S. Secretary of State John Kerry arrives at Riyadh Air Base in Riyadh, Saudi Arabia, traveling from Djibouti, Djibouti, Wednesday, May 6, 2015, to push Saudi officials for a pause in Yemen’s war, citing increased shortages of food, fuel and medicine that are adding to a crisis that already has neighboring countries bracing for a mass exodus of refugees. Kerry is also visiting Sri Lanka, Somalia, France, and Djibouti on his trip.

RIYADH, Saudi Arabia — Saudi Arabia has announced a five-day ceasefire in Yemen's war to facilitate aid to civilians in need.

Foreign Minister Adel al-Jubeir made the announcement at a news conference with U.S. Secretary of State John Kerry.

That means the Saudi-led coalition of Arab countries will cease airstrikes in Yemen. Al-Jubeir said he hoped Iran-backed Houthis rebels will halt attacks on the ground.

Aid groups say millions of Yemenis are in need of food, fuel and medicine.

It was unclear when the so-called "humanitarian pause" would start.