The Israeli military has ordered Palestinians in Gaza's major southern city of Khan Younis to "evacuate immediately" in the face of an "unprecedented" new offensive from Israel. The Israel Defense Forces (IDF) said over the weekend that it had begun "extensive ground operations" in the north and south of the Gaza Strip, dubbed "Operation Gideon's Chariots." The IDF said the country's air force had carried out "a preliminary wave of strikes" on more than 670 targets described as belonging...