**FILE**GAZA CITY, GAZA STRIP - APRIL 23: Masked Hamas fighters take their position as they back up Palestinian policemen as they clash with gunmen of the former ruling Fatah faction after the gunmen stormed the Palestinian Health Ministry April 23, 2006 in Gaza City, Gaza Strip. Three people were wounded when the gunmen clashed with the policemen, who backed by Hamas fighters, came to the rescue of Basim Naeem, the Palestinian Health Minister. Hamas blamed Fatah for the violence, but Fatah officials denied the gunmen were affiliated with the party. Photo by Ahmad Khateib/ Flash90

**FILE**GAZA CITY, GAZA STRIP - APRIL 23: Hamas fighters take their position as they back up Palestinian policemen as they clash with gunmen of the former ruling Fatah faction after the gunmen stormed the Palestinian Health Ministry April 23, 2006 in Gaza City, Gaza Strip. Three people were wounded when the gunmen clashed with the policemen, who backed by Hamas fighters, came to the rescue of Basim Naeem, the Palestinian Health Minister. Hamas blamed Fatah for the violence, but Fatah officials denied the gunmen were affiliated with the party. Photo by Ahmad Khateib/ Flash90