Health Ministry Spokesman Khaled Megahed said the condition of the three policemen who were injured in Darb Al-Ahmar terrorist attack is stable.
The trio suffered slight to medium injuries, bruises and fractures, according to the spokesman.
Earlier, the Interior Ministry announced the killing of a terrorist element in a bomb blast in Cairo after security forces cordoned him off and were about to arrest him.
Two policemen were killed in the explosion.
A civilian woman was also injured.