Security bodies evacuated 25 huts in Cairo's Doweika slum area after a huge rock collapsed late last night and fell on a number of huts, the Middle East News Agency (MENA) reported.
A geological committee was assigned to study the area, MENA added.
The rock which fell on a number of huts caused panic among citizens and 4 vehicles of rescue teams were sent out to lift the rock.
Preliminary investigations showed that the rock that fell was in area number 2 in Mokattam's Amir al-Mo'menin street.
No victims were reported so far.
Security forces cordoned off the area.