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A man walks over rubble from a blast, seen inside the Islamic Art Museum after a bomb attack in downtown Cairo

A man walks over rubble from a blast, seen inside the Islamic Art Museum after a bomb attack in downtown Cairo, January 24, 2014. A suicide bomber in a car blew himself up in the parking lot of a top security compound in central Cairo on Friday, killing at least four people in one of the most high-profile attacks on the state in months, security sources said. REUTERS/Mohamed Abd El Ghany (EGYPT - Tags: POLITICS CIVIL UNREST CRIME LAW TPX IMAGES OF THE DAY)

Bombings rock Egyptian capital

Yahoo News

A string of bombings hit police around Cairo on Friday, including a suicide car blast that ripped through the city's main police headquarters and wrecked a nearby museum of Islamic artifacts. Five people were killed in the most significant attack yet in the Egyptian capital at a time of mounting confrontation between Islamists and the military-backed government.

The blasts further hike tensions a day before the third anniversary of Egypt's 2011 uprising that toppled autocrat Hosni Mubarak — when supporters of the military and their Islamist opponents have each vowed rival rallies in the streets to press their cause. (AP)

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