Another 11 people were injured, deputy health minister Mohammed al-Sharkawi told AFP.
More people were trapped under the rubble and were calling out to rescue teams for help, an interior ministry official said.
Emergency services rescued 10 people after the building housing 24 families in the Maamura district of Alexandria collapsed in the early hours, a security official said earlier.
Another two people were killed when a three-storey building collapsed in the Nile Delta province of Daqahliya, a security official told AFP. (AFP)
