President Obama and the leaders of Britain and France "will accuse Iran of building a secret underground plant to manufacture nuclear fuel, saying it has hidden the covert operation from international weapons inspectors for years," the New York Times reports.
"American officials say that they have been tracking the covert project for years, but that Mr. Obama decided to make public the American findings after Iran discovered, in recent weeks, that Western intelligence agencies had breached the secrecy surrounding the project. "