 He said the drone was an upgraded Iranian Samad-3 with a long-range capability. There were no sirens sounded in Israel and it was not shot down, apparently because of human error. Haghari also said that there are increasing signs that the number two official in Hamas, Mohammad Daif, was killed in an Israeli airstrike in Gaza last week. Linda Gradstein for CBS News, Jerusalem. Now to Russia as the court sentenced U.S. Wall Street Journal correspondent Evan Gershkovich to 16 years in prison