The Saudi-led coalition carrying out airstrikes against Houthi militia in Yemen gave the residents of the rebel stronghold of Saada along the kingdom’s border an ultimatum to leave the region by nightfall on Friday.

The escalation comes in response to recent cross border attacks by Houthis, targeting Saudi cities near the Saudi-Yemen frontier.

The coalition has declared Saada a war zone and said its entire territory would from now on be considered a “military target,” urging all civilians to leave by 7 p.m. local time on Friday. […]