NEW: Ansarallah (the Houthis) has set up an email-based approval system for ships seeking safe passage through the Red Sea, according to the Wall Street Journal. Captains submit vessel details and declare that they have no ties to the US, UK, Israel or Saudi Arabia. The Houthis usually respond within 24 hours, issuing 7-day transportation permits and navigation instructions.

NEW: Ansarallah (the Houthis) has set up an email-based approval system for ships seeking safe passage through the Red Sea, according to the Wall Street Journal. Captains submit vessel details and declare that they have no ties to the US, UK, Israel or Saudi Arabia. The Houthis usually respond within 24 hours, issuing 7-day transportation permits and navigation instructions.