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Demonstrations in Egypt turn violent, while some demonstrators kiss the police.

Sometimes amidst violence, there are scenes of compassion and understanding between those facing off. More photos from Egypt.

Lefteris Pitarakis / AP

An Egyptian anti-government activist kisses a riot police officer following clashes in Cairo, Egypt, Friday, Jan. 28, 2011. Tens of thousands of anti-government protesters poured into the streets of Egypt Friday, stoning and confronting police who fired back with rubber bullets and tear gas in the most violent and chaotic scenes yet in the challenge to President Hosni Mubarak's 30-year rule.

Tara Todras-Whitehill / AP

A man, who gave his name as Maged Mahmoud, is tended to after he was injured during clashes with riot police in Cairo, Egypt, Friday, Jan. 28, 2011. Tens of thousands of anti-government protesters poured into the streets of Egypt Friday, stoning and confronting police who fired back with rubber bullets and tear gas in the most violent and chaotic scenes yet in the challenge to President Hosni Mubarak's 30-year rule.

Peter Macdiarmid / Getty Images

Police gather in Tahrir Square as a car burns on January 28, 2011 in Cairo, Egypt.