Egyptian Christians march in Cairo during a protest against an attack on a church in southern Egypt, October 9, 2011. Nineteen people were killed in Cairo on Sunday when Christians, some carrying crosses and pictures of Jesus, clashed with military police, medical and security sources said, in the latest sectarian flare-up in a country in political turmoil. REUTERS/Mohamed Abd El-Ghany (EGYPT – Tags: CIVIL UNREST POLITICS RELIGION TPX IMAGES OF THE DAY)