Powerful explosion has thundered on Friday morning in the centre of the Egyptian capital Cairo. According to our information, 3 people were killed and 45 were injured, ITAR-TASS referring to employees of the city clinics. PE happened near the headquarters of the local police, tells Reuters referring to the Egyptian TV. Exploded bomb auto, told the Agency anonymous sources in the local security services. According to witnesses, above the centre of the metropolis visible smoke. High-rise building was received significant defects, broken glass. On the site of the explosion occurred crater depth of 6 meters. Immediately after the explosion of unknown persons fired at the building of the headquarters of the shooting. Currently, the area is closed by the police and military. To the place of conflict, levied cars of emergency medical care. The responsibility for the explosion at myself nobody has yet claimed. The incident happened on the eve of the third anniversary 2011 revolution that led to the resignation of President Hosni Mubarak. After the removal from power of the Islamists and deposition of President Mohammed Mursi in early July 2013 the situation in the security field in Egypt is much deteriorated, almost on a daily basis committed attacks against security forces and the military. Most bloody attack was carried out in the country in early December last year, when a suicide bomber blew up a car bomb near police Department in El Mansour (province Dakahlia) North of Cairo. In cases were killed 17 people. 18 <iframe width="560" height="315" src="//www.youtube.com/embed/zgvijRA7f_g?rel=0" frameborder="0" allowfullscreen></iframe>