The Washington-based group Human Rights Activists said it had identified 239 of the dead as civilians and 126 as security personnel.

In other developments, Prime Minister Benjamin Netanyahu said the Israeli strikes have set Iran’s nuclear program back a “very, very long time.”

Since Friday, 224 people have been killed in Iran, according to the government, which said most of the casualties were civilians. Iranian attacks killed 24 people in Israel, according to the Israeli government press office, and injured 592.