An Egyptian security official says authorities are chasing two masked individuals who opened fire at a hotel close to the Giza pyramids, causing some damage to the hotel's facade.

The official says there were no casualties in the Thursday incident at the Three Pyramids Hotel.

Egypt's Coptic Orthodox Christians are celebrating Christmas on Thursday in predominantly Muslim Egypt.

The Egyptian government has been battling an insurgency based in northern Sinai, with attacks multiplying after the military overthrew Islamist President Mohammed Morsi in 2013, striking the mainland numerous times in recent months.

Some extremists in Sinai have pledged allegiance to the Islamic State group and claimed the downing of a Russian airliner that killed 224 people there last year.