APTOPIX Mideast Yemen

June 1, 2011 - 4:58 AM
Anti-government protestors block the road with rocks and burning tyres during clashes with Yemeni security forces in Taiz, Yemen, Tuesday, May 31, 2011. Heavy fighting resumed Tuesday in Yemen's capital between government troops and followers of the country's most powerful tribal leader, ending a brief cease-fire and again raising the prospect that Yemen's political crisis could veer into civil war.(AP Photo/Yemen Lens)