Azzam al-Ahmad (L), head of the Fatah group, and Mousa Abu Marzook, a senior member of Hamas, attend a news conference in Cairo April 27, 2011. Palestinian President Mahmoud Abbas's Fatah group has inked a deal with bitter rival Hamas to end their long-running feud and form an interim government ahead of elections this year, officials said on Wednesday. [Xinhua/Reuters Photo]