HAMILTON, Canada Palestine's UN envoy Riyad Mansour accused Israel on Tuesday of deliberately using starvation as a weapon in Gaza by systematically blocking humanitarian aid and manipulating its distribution. "Israel has been openly and brazenly blocking humanitarian aid for over two months now. This is engineered starvation," Mansour told a UN Security Council meeting on the situation in Gaza. He warned that the Israeli plan for distributing humanitarian aid is "just a continuation of the