MORE DETAILS

■ International aid groups and the United Nations cautioned the Saudi-led coalition from launching the assault.

■ They fear a protracted fight could force a shutdown of Hodeida’s port at a time when a halt in aid risks tipping millions into starvation.

■ 70 percent of Yemen’s food enters via the port, as well as the bulk of humanitarian aid and fuel supplies.

■ Around two-thirds of the country’s population of 27 million relies on aid and 8.4 million are already at risk of starving.