Inside, they found two tunnel shafts, one of which had been booby-trapped, as well as explosives and weapons, the military said. It is not possible to independently confirm battlefield reports from either side. Israel says it targets Hamas operatives, not civilians, and blames civilian casualties on the militants, accusing them of operating in residential neighbourhoods. Still, it does not provide accounting for its targets in individual strikes. Israel claims to have killed thousands of militants, without providing evidence. The military says at least 81 of its soldiers have been killed.