Experts defused a bomb on Sunday afternoon in Mohandiseen district on Syria Street outside a car showroom.
Brigadier-general Hesham Yousef received a communication saying a strange object was found in a white bag outside a car showroom and next to a building under construction on Syria Street.
Investigators suggested that an anonymous demonstrator may have left the bomb aside for fear of being arrested while holding it during clashes.
Recently, Egypt has been gripped with bomb scares since the Mansoura bombing in December that killed 16 people and injured hundreds. Security forces have been on the lookout for any suspicious items.
Edited translation from Al-Masry Al-Youm