Lebanese government declares war on Israel. Israel has declared war on the Jewish state. Israel says it will not back down from the fight against the Islamic State of Iraq and Levant (ISIL) The ISIL claims responsibility for attacks on Israeli targets in Iraq, Syria, Egypt, Jordan, Lebanon and beyond. The Israeli government says the attacks are in response to ISIL attacks on its soil. The ISL says the attack is in response the Israeli government's attacks on the ISIL.