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.

Shipping companies expressed caution about using the shorter route between Asia and Europe that many ships have avoided for more than a year.

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

Yemen’s Houthi rebels have signaled they will limit their attacks in the Red Sea corridor to only Israeli-affiliated ships as a ceasefire in the Gaza Strip takes hold.

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

The Yemen-based Houthis signaled a pause in their months-long attacks on commercial ships following a ceasefire deal between Israel and Hamas.

The ship was drifting and ablaze some 225 kilometers off the coast of Hodeida, a port city in Yemen held by the country's Houthi rebels