Yemen’s Houthis advance on government strongholds of Marib, Taiz

Yemen’s Houthis advance on government strongholds of Marib, Taiz

Fighting 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.