Facing fierce anti-government protests, Armenian Prime Minister Serzh Sargsyan has caved into pressure to step down and announced his resignation on Monday. <br /> He was voted in by lawmakers as prime minister just last Tuesday after ten years as president.<br />However there have been days of protests in the capital Yerevan and other cities opposing Sargsyan's new role, which the public sees as a move to cling on to power. <br />Armenia's opposition leader Nikol Pashinyan has called for a snap parliamentary election.<br />He was arrested Sunday for demanding Sargsyan's resignation, but was released just before the prime minister's announcement to resign. <br />Former Prime Minister Karen Karapetyan has taken over as acting PM. <br />