GAZA, May 17, 2004, (WAFA)- For the third consecutive night, Israeli helicopter gunships bombarded Gaza City early on Monday with several missiles, Palestinian security sources and witnesses said.... The sources said that Israeli "Apache" helicopters fired four missiles on two separate offices in the down town of Gaza.... They confirmed that at 12:30 the Israeli helicopters fired four missiles on two offices belong to Fateh and the Democratic Front Party in O'mar al-Mokhtar main street.... The two offices were completely destroyed and several other neighbouring buildings were damaged, witnesses told WAFA.... Witnesses said that their houses trembled because of the bombardment.... "The flame of the rockets penetrated the darkness and produced huge explosions and thunder, my children were so terrified," eyewitness, Salem Haddad, told WAFA.... Firefighters hurried to the place to extinguish fire while tens of curious rushed to the scene....