Yemen's government has rejected the latest ceasefire offer from Shia fighters in the country's north. <br /><br />The government set six conditions for a truce, but the leader of the Houthi fighters says he will only commit to five.<br /><br />At least 20 people have been killed in renewed fighting.<br /><br />Al Jazeera's Mohamed Vall reports.<br /><br />Jan 01, 2010
