Three people, including a girl aged eight, died when gunmen on motorcycles opened fire on a wedding party outside a Coptic Christian church in Cairo.
At least nine others were wounded in the attack in Giza, officials said.
There was no immediate claim of responsibility.
Egypt’s Coptic Christian community has been targeted by some Islamists who accuse the Church of backing the army’s overthrow of President Mohammed Morsi in July.
The unidentified attackers fired indiscriminately as people left the church