The following photos are from Tahrir Square on Tuesday November 22, considered the deadliest day yet in violent clashes between Egyptian state security and anti-military demonstrators. Protesters stop to pray amid Tahrir protests. A protester gets sick from the noxious tear gas used by Egyptian state security. Injured protesters rest in a makeshift camp in the middle of Tahrir Square. Injured protesters camping in Tahrir, where the intend to stay until the military council steps down. Christians protect Muslims as they pray in Tahrir Square. Tear gas clouds the streets surrounding Tahrir Square. A wounded protester is treated at a field hospital in Tahrir Square. BM