The Houthis, who see their campaign against Israel and commercial shipping in the Red Sea as part of an allied defense of Palestinians in Gaza, vowed to exact revenge with Houthi spokesperson Mohammed Abdulsalam telling Al Jazeera that Israel “has opened an open-ended war.”

By Sunday, the group said it had retaliated with a strike on the Israeli port city of Eilat.

Israel said its air defenses intercepted a surface-to-surface missile launched from Yemen on Sunday, and Israel’s Army…