Human Rights Watch said Israeli air strikes during the most recent Gaza Strip conflict "violated the laws of war."
Israel bombed militant targets in Gaza for a fifth straight day on Sunday, launching aerial and naval attacks as its military prepared for a possible ground invasion, though Egypt saw "some indications" of a truce ahead.
The Israeli Air Force on Wednesday evening struck two targets in the northern Gaza Strip, in response to earlier rocket fire.
Israel and Islamic Jihad militants agreed to halt fire on Friday after days of deadly cross border violence, a Palestinian official said.
A day after terrorist attacks killed 8 Israelis and wounded more than 20, Israeli airstrikes continued to pound targets in Gaza as rockets fell on Israel.