ພາບການວາງລະເບີດ ຢູ່ໄຄໂຣ

Anti-government protesters and members of the Muslim Brotherhood flee after tear gas was fired by riot police during clashes on Ramsis Street, near Tahrir Square, Cairo, Jan. 25, 2014.

An antiquities restoration worker moves broken glass at the Egyptian National Library and Archives, which was damaged by a car bomb attack targeting the nearby Cairo Security Directorate, Cairo, Jan. 26, 2014.

Police officers fire rubber bullets at anti-government protesters and members of the Muslim Brotherhood at Ramsis Street, near Tahrir Square, Cairo, Jan. 25, 2014.

Supporters of the Muslim Brotherhood and ousted Egyptian President Mohamed Morsi close the road during clashes with riot police in Cairo, Jan. 25, 2014.

An aerial view taken from an Egyptian army helicopter shows supporters of Egypt's army and police gathering at Tahrir Square, Cairo, Jan. 25, 2014.

An injured police officer is assisted by people out of the damaged Cairo Security Directorate after a bomb attack in downtown Cairo, Jan. 24, 2014.

People look at a destroyed taxi cab after an explosion at the Egyptian police headquarters in downtown Cairo, Jan. 24, 2014.

A police officer stands guard after a car bomb attack at the Egyptian police headquarters in downtown Cairo, Jan. 24, 2014.

Police officers and people gather in front of the damaged Cairo Security Directorate after a bomb attack in downtown Cairo, Jan. 24, 2014.

A police officer holds his weapon as he stands guard in front of the damaged Cairo Security Directorate building after a bomb attack in downtown Cairo, Jan. 24, 2014.

Demonstrators shout anti-terrorism slogans in front the site of a blast at Egyptian police headquarters in Cairo, Jan. 24, 2014.