Hundreds of thousands of Egyptians are filling Tahrir Square tonight as laser lights and fireworks illuminate the sky.
Protesters say they won't leave square until President Morsi stands down.
The Muslim Brotherhood tells ITV News they are against violence but will "pay the price of their blood" to restore their ousted president.
Egypt's army has named two further officials in the transitional government as its supporters and opponents vowed to stay on the streets.
There has been outrage in Egypt after 51 people were killed near an barracks where ousted President Mohamed Morsi is thought to be held.