Masked Palestinian Hamas members hold up a Turkish flag as they takes part in a demonstration against the Israeli naval commando raid on a flotilla attempting to break the blockade on Gaza, after Friday prayer at Nuseirat refugee camp in central Gaza Strip, Friday, June 4, 2010. Israel is bracing for another showdown at sea with a ship determined to breach Israel's Gaza Strip blockade. (AP Photo/Hatem Moussa)

Photo by: Hatem Moussa

Masked Palestinian Hamas members hold up a Turkish flag as they takes part in a demonstration against the Israeli naval commando raid on a flotilla attempting to break the blockade on Gaza, after Friday prayer at Nuseirat refugee camp in central Gaza Strip, Friday, June 4, 2010. Israel is bracing for another showdown at sea with a ship determined to breach Israel's Gaza Strip blockade. (AP Photo/Hatem Moussa)