The world’s top three container operators said they fear instability in Gaza and broader regional tensions mean continued danger.

The Houthis had signaled Friday night they planned a release of prisoners, part of their efforts to ease tensions after the ceasefire in the Israel-Hamas war in the Gaza Strip.

British and American ships are tentatively returning to the Red Sea after Yemen’s Houthi rebels vowed to hold off attacks on vessels linked to both nations, a sign that traffic on one of the world’s main trade routes could normalize after more than a year of disruption.

U.S. ships are returning to the Red Sea following promises from Yemen’s Houthi rebels to abstain from attacks on American and British vessels. The pledge, which comes after more than a year of shipping traffic disruption on a major international trade route,