<span style="color: #222222;">The UN Yemen envoy  Martin Griffiths today flew into the rebel-held capital Sanaa for talks to avert all-out fighting for the lifeline port of Hodeida and widespread famine. He is expected to hold  talks with rebel political leaders as he attempts to revive a peace process that collapsed in September.</span><br />'' <br />'' <span style="color: #222222;">Under heavy Western pressure, the government and its Saudi-led military backers have largely suspended a five-month-old offensive on the Red Sea port city.</span><br />'' <br />'' <span style="color: #222222;">UN agencies say up to 14 million Yemenis are at risk of starvation if the port of Hodeida is closed by fighting or damage.</span><br />