Iran and its proxies move closer to full control of two shipping chokepoints as regional conflict widensYemen’s Houthi rebels are making a concerted drive to take full control of the country’s Red Sea coast, claiming control of the key port of Mocha, in the most serious wave of fighting with the Saudi-backed government in years.Seizure of the coast would be a strategic disaster for Saudi Arabia and the US, taking Iran and its proxies closer to full control of two chokepoints for western ship