. one of the most direct condemnations yet of the increasing death toll in gaza from a u.s. official. the secretary of state saying today, far too many palestinians have been killed. while israel announces another evacuation corridor to get civilians out. we ll take you live near the israel/gaza border in moments. plus, stark warnings from american diplomats in the middle east. a diplomatic cable to the white house highlighting the growing anger from the arab world for america s strong support of israel s military offensive and the humanitarian crisis it is creating in gaza. and federal law enforcement officials investigating after more than a dozen suspicious letters were sent to election offices across the u.s. at least one is believed to contain fentanyl. we re following these major developing stories and many more coming in to cnn news central. as night falls on gaza, we re seeing more fiery explosions rock the enclave. moments ago, cnn crews witnessed a heavy barra