Yemen’s Marib city battens down as Houthis advance through energy-rich province

Expecting a possible siege, pro-government forces in central Yemen are preparing to defend Marib city, their last northern stronghold, against advancing Houthi fighters bent on taking full control of one of Yemen’s key energy-producing regions.Expecting a possible siege, pro-government forces in central Yemen are preparing to defend Marib city, their last northern stronghold, against advancing Houthi fighters bent on taking full control of one of Yemen’s key energy-producing regions.