The IDF announces a widespread campaign on "terror targets" and begins bombing the Gaza Strip, preparing for a ground operation. This comes after the head of Hamas' military wing Ahmed Jabari was killed in an Israeli airstrike. As Israel launched a full-scale attack on Gaza with frequent sounds of rockets still being heard in Gaza - killing 13 and injuring over 100 - Hamas vowed to avenge the Israeli strike and the assassination of its military leader Ahmed Jabari. The days of declaring way with a lengthy proclamation signed by a prime minister or president are in the past. Israel announced on Tuesday that it was launching a strike on the Gaza Strip with a single tweet. - Nov. 17, 00:20 GMT: US President Barack Obama has reiterated " US support for Israel's right to self-defense ." Obama discussed the escalating violence in the Gaza Strip with Israeli PM Benjamin Netanyahu on Friday. He also expressed regret over the loss of Israeli and Palestinian civilian lives. - Nov. 16, 23:54 GMT: Senior Hamas leader Mousa Abu Marzouk has told Maan news agency that he does not expect a ceasefire soon. "T here are many calls for a truce but it will not be soon ," he said. - Nov. 16, 23:40 GMT: The hacktivist group, Anonymous, has claimed it has attacked the website of the Israeli government, www.tel-aviv.gov.il. The website was unavailable as of Saturday morning. The group also claimed it deleted a database at the Israeli Ministry of Foreign