Egypt protests presidential palace tear gas december 4 2012

A Egyptian woman prays in front of Egyptian security as they lay out barbed wire along streets leading to the Itihadiya presidential palace in the neighbourhood of Heliopolis in Cairo, on December 4, 2012. Opponents of Islamist President Mohamed Morsi were to march on the Itihadiya presidential palace to protest his power grab and a controversial draft charter, as the country plunged deeper into crisis.