Hamas, Fatah clash in Gaza

A Palestinian gunman fires in the air during the funeral of senior al-Aqsa Martyrs Brigades commander Baha Abu Jarad in northern Gaza May 13, 2007. Gunmen killed a senior commander of al-Aqsa Martyrs Brigades and another member of the Fatah-linked militant group in the Gaza Strip in an attack it blamed on the rival Hamas movement. (Xinhua/Reuters Photo)

Palestinians carry the body of senior al-Aqsa Martyrs Brigades commander Baha Abu Jarad during his funeral in northern Gaza May 13, 2007. Gunmen killed a senior commander of al-Aqsa Martyrs Brigades and another member of the Fatah-linked militant group in the Gaza Strip in an attack it blamed on the rival Hamas movement. (Xinhua/Reuters Photo)

A Palestinian gunman fires in the air during the funeral of senior al-Aqsa Martyrs Brigades commander Baha Abu Jarad in northern Gaza May 13, 2007. Gunmen killed a senior commander of al-Aqsa Martyrs Brigades and another member of the Fatah-linked militant group in the Gaza Strip in an attack it blamed on the rival Hamas movement. (Xinhua/Reuters Photo)

Palestinians look at the damage to the car of senior al-Aqsa Martyrs Brigades commander Baha Abu Jarad, who was shot dead, in northern Gaza May 13, 2007. Gunmen killed a senior commander of al-Aqsa Martyrs Brigades and another member of the Fatah-linked militant group in the Gaza Strip in an attack it blamed on the rival Hamas movement. (Xinhua/Reuters Photo)

Palestinians carry the body of senior al-Aqsa Martyrs Brigades commander Baha Abu Jarad during his funeral in northern Gaza May 13, 2007. Gunmen killed a senior commander of al-Aqsa Martyrs Brigades and another member of the Fatah-linked militant group in the Gaza Strip in an attack it blamed on the rival Hamas movement. (Xinhua/Reuters Photo)

A Palestinian gunman reacts after the killing of senior al-Aqsa Martyrs Brigades commander Baha Abu Jarad in Gaza May 13, 2007. Gunmen killed a senior commander of al-Aqsa Martyrs Brigades and another member of the Fatah-linked militant group in the Gaza Strip in an attack it blamed on the rival Hamas movement.(Xinhua/Reuters Photo)