U.S. Defense Secretary Leon Panetta won't dispute a report that he believes Israel may attack Iran this spring in an attempt to set back the Islamic republic's nuclear program.

Panetta was asked by reporters to comment on a Washington Post opinion column by David Ignatius that said Panetta believes there is??a "strong likelihood" that Israel will attack in April, May or June. Ignatius did not??say who told him this.

Asked whether he disputes the report, Panetta said, "No, I'm just not commenting."

He added, "What I think and what I view, I consider that to be an area that belongs to me and nobody else."

He noted that Israel has stated publicly that it is considering military action against Iran. He said the U.S. has "indicated our concerns."