Yemen’s Houthis attacked a crucial port on the Red Sea, killing people and further escalating the conflict over strategic waterways in the Middle East. They also said they attacked an oil facility on Sunday in southwestern Saudi Arabia, the latest attack by the Iranian-backed rebels on the kingdom.

Meanwhile, Iran has made new demands about the restart of negotiations and the reopening of the Strait of Hormuz, the Pentagon is pressing the U.S. defense industry to accelerate production of weapons and Israel is insisting it won’t withdraw from Gaza until Hamas disarms.

Here’s a look at developments across the Middle East on Sunday. Full coverage can be found here.

Houthis target Aramco refinery, Red Sea port

The National Resistance Forces, a Yemeni government-allied force, said at least seven people — four troops and three civilians — were killed and 15 civilians were injured in the Houthis’ attacks Sunday on Mokha, a crucial port on the Red Sea.