Via Ynet:
Chief Military Rabbi Brig.-Gen. Raffi Peretz has declared missing IDF officer Second Lieutenant Hadar Goldin, said to have been captured by Hamas, dead on Saturday, at 11:25pm.
The Givati commander died in combat on Friday, August 1, 2014, in Rafah in the southern Gaza Strip.
Defense Minister Moshe Ya’alon arrived at the Goldin family home in Kfar Saba accompanied by the head of the IDF’s Human Resources Branch, Maj.-Gen. Orna Barbivai and the Chief Military Rabbi, to deliver the news.
The army said the Chief Military Rabbi considered halacha, medical and other relevant considerations, as well as findings from the battlefield, before making the decision.