JERUSALEM / ISTANBUL The Israeli army issued immediate evacuation orders on Saturday for Palestinian civilians in three towns in the southern Gaza city of Khan Younis amid a deadly onslaught on the enclave. Military spokesman Avichay Adraee said that Palestinians must leave their areas in the towns of Abasan, al-Qarara, and Khuza'a, calling the three towns “dangerous combat zones.” “You must immediately move westward toward the shelter centers in the al-Mawasi area,” Adraee said, claiming