Security services Tuesday found a bomb near Giza's Nahda Square, where a sit-in is being staged by supporters of deposed President Mohamed Morsy.
Explosives experts from the Giza security department were able to prevent it from going off.
Approximately 26 armored vehicles, 200 armed forces personnel, 150 central security personnel, several Interior Ministry armored vehicles, and two central security vehicles have been deployed in areas surrounding Nahda Square in order to secure the neighborhood.