Two protesters were shot dead in downtown Cairo on Wednesday morning.
The first took place on Qasr El-Nil Bridge, which leads to Tahrir Square, when unknown assailants fired pellet bullets at protesters.
The second took place in Abdel-Moneim Riad Square, near the Egyptian Museum, when 50 armed men arrived in a van and attacked protesters with pellet bullets, an eyewitness told police.
Three people have now died in Cairo during protests that began on Friday, the second anniversary of the January 25 Revolution.
Over 50 protesters have died in Cairo, Suez, Port Said and Ismailia during the latest wave of violence in the country.