The Egyptian military has removed President Mohamed Morsi from power and dissolved the country's constitution.
Installing a technocratic government led by the head of the constitutional court amid promises of swift new presidential elections.
ITV News International Correspondent John Irvine reports from Cairo:
Anti-Morsi protesters in Cairo's Tahrir Square erupted in to cheers after General Abdel Fattah al-Sisi effectively declared the removal of the elected Islamist president.
Four people were killed in clashes between supporters of Mohamed Morsi and security forces in the northern city of Marsa Matrouh after the Islamist president was ousted by the army, the state governor said.
Governor Badr Tantawi told Reuters by telephone that the dead were Morsi supporters.
There were reports of clashes with Morsi supporters in the city of Alexandria when gunfire was heard as rocks and bricks flew, according to witnesses.
The military had been seen putting up barriers to try and control the flow of Morsi supporters amid fears there could be more more violence.
Egypt's leading Muslim and Christian clerics backed an army-sponsored roadmap.
Ahmed al-Tayeb, Grand Sheikh of Al-Azhar, Cairo's ancient seat of Muslim learning, and Pope Tawadros, the head of the Coptic Church, both made brief statements following an announcement by the head of the armed forces that deposed the elected president, Mohamed Morsi of the Muslim Brotherhood.
The President's office released statements on social media condemning the move: