Military believes young father was abducted alive from Kibbutz Nir Oz, murdered in captivity by Mujahideen Brigades; Shin Bet grilling of Gazan detainee led troops to body

Nattapong Pinta was taken hostage and later killed by members of a small militant group in Gaza, the Israeli military said.

"We will not rest or be silent until we return all of our hostages home - both the living and the dead," the PMO said in a statement.