Explainer: Will the Houthi maritime ban upend Red Sea security, test Saudi-Iranian detente?

by Murad Abdo SANAA, July 21 (Xinhua) -- The declaration by Yemen's Houthi group of a maritime ban on Saudi shipping on Monday has raised fresh concerns over the security of the Red Sea, one of the world's busiest trade corridors. The move followed a sharp escalation triggered last week by a dispute over Houthi-controlled Sanaa International Airport.