A new warning from Yemen’s Houthi movement is adding another layer of uncertainty to an already fragile Red Sea shipping environment, as the group says it has assured Washington that U.S. vessels will not be targeted while European officials warn that the naval forces protecting commercial traffic are no longer sufficient for the growing threat.

Houthis Yemen Mandeb Strait United States Washington Oman Gulf of Aden President Donald Trump European Union Kaja Kallas Strait of Hormuz Saudi Al-Bukhaiti Muscat Europe