The Associated Press
"Iran will respond in a way that they will not be able to sleep easy anymore," Ali Larijani was quoted as saying Tuesday.
Larijani made the remark at a meeting of top prosecutors from Islamic countries, who are trying to find ways to arrange for the arrest and prosecution of Israeli leaders on war crimes charges over the Gaza assault earlier this year.
Last week, Israeli President Shimon Peres dismissed the idea that Israel was planning an attack Iran's nuclear facilities.