Gaza and Jerusalem (CNN) — Conditions in Gaza have deteriorated dangerously, experts say, with serious shortages of clean water and food as tens of thousands of Palestinians attempt to flee crippling airstrikes and an Israeli ground offensive. Israel’s military said Saturday its forces are readying for the next stages of the war, including “combined and coordinated strikes from the air, sea and land” in response to the unprecedented October 7 terrorist attacks by the Islamist militant group Hamas, which controls the enclave. At least 1,400 people were killed and many taken hostage during Hamas’ rampage, the Israel Defense Forces (IDF)...