Yemen’s Houthis advance on government strongholds of Marib, TaizFighting is intensifying in Yemen as Houthi fighters advance toward Saudi-backed government-held areas, including the strategic oil and gas-rich province of Marib and the city of Taiz. Al Jazeera’s Yousef Mawry reports from Sanaa.Video Duration 01 minutes 43 seconds 01:43Video Duration 00 minutes 40 seconds 00:40Video Duration 00 minutes 40 seconds 00:40Video Duration 00 minutes 44 seconds 00:44Video Duration 02 minutes 06 seconds 02:06Video Duration 01 minutes 02 seconds 01:02Video Duration 00 minutes 31 seconds 00:31