Hamas militants celebrate in the streets in Gaza City after Islamist Mohamed Morsy of the Muslim Brotherhood was declared Egypt's first democratic president June 24, 2012. Morsy's win was hailed by Hamas, the Islamist group governing Gaza and which is locked in a power-struggle with the West Bank-based, U.S.-backed Palestinian Authority of President Mahmoud Abbas. REUTERS/Mohammed Salem (GAZA - Tags: POLITICS ELECTIONS MILITARY)