Written by Dan Bloom and Ted Thornhill | From Daily Mail

Four bombings hit high-profile areas around Cairo on Friday, including a suicide car bomber who struck the city’s police headquarters, killing six people.

It is the first major attack on the Egyptian capital as insurgents step up a campaign of violence following the removal of the Islamist president.

Nobody claimed responsibility for the attacks, but they bore the hallmarks of Islamic extremists who have increasingly targeted police and the military since the July 3 coup against Mohammed Morsi and a fierce crackdown on his supporters led by the Muslim Brotherhood.

The explosions struck as the country was on high alert ahead of the third anniversary of the January 25 start of the 2011 uprising that toppled autocratic leader Hosni Mubarak. Morsi’s supporters had vowed to use the event to gain momentum in their efforts turn to a new momentum to ‘break the coup.’

Friday’s violence began when a suicide bomber rammed a car into cement blocks surrounding the main Egyptian police headquarters in the heart of Cairo, killing at least four people and sending billows of black smoke into the sky. The blast also tore through nearby buildings, including the renowned Museum of Islamic Art.

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