Egypt Erupts

Masked Egyptian demonstrators hold the national flag as they stand next to a burning police vehicle in Cairo.

Egyptian demonstrators fuel the fire next to burning police vehicles in Cairo.

A man identified as a police officer, overcome by tear gas, is helped by antigovernment demonstrators.

A protester gestures during protests in Cairo on January 28.

A protester walks in front of a burning police vehicle in Cairo on January 28.

Demonstrators brave police water cannons and tear gas during a protest in Cairo on January 28.

Burning barricades during a demonstration in Cairo on January 28.

A plainclothes policeman confronts a foreign journalist during a demonstration in Cairo on January 28.

Demonstrators perform Friday Prayers in front of riot police during a demonstration in Cairo on January 28.

Antigovernment protesters confront riot police in Cairo on January 28.

A demonstrator confronts a riot policeman wearing a gas mask after Friday Prayers in Cairo on January 28.

Antigovernment protesters confront riot police during a demonstration in Cairo on January 28.

Antigovernment protesters run from tear gas as they confront riot police in Cairo on January 28.

Demonstrators suffering from tear gas hide in a mosque following a demonstration in Cairo on January 28.

Muhammad El-Baradei is surrounded by demonstrators in Cairo on January 28.

Antigovernment protesters confront riot police in Cairo on January 28.

Muhammad El-Baradei in a mosque after riot police used water cannons to disperse demonstrators on January 28.

A protester shouts in front of a burning barricade during a demonstration in Cairo on January 28.