The bombings occurred on the eve of the third anniversary of the start of the uprising that led to the downfall of former President Hosni Mubarak and hours after a Police Day celebration recognizing the Egyptian military. Jan. 24 Bombings in Cairo, Egypt The Security Directorate explosion in particular signifies a significant escalation in militant capabilities. The device was located in a car placed 5 meters (about 16 feet) from the outside gates of the security headquarters, according to an Egyptian Interior Ministry spokesman. The powerful device caused substantial damage to the building's facade and to surrounding structures, including the Islamic Museum. Due to concrete barriers surrounding the Security Directorate, the device could not be parked closer, preventing greater damage to the headquarters.