1st LD: Obama says "historic" preliminary deal will prevent Iran from obtaining nuclear bomb

President Barack Obama on Thursday hailed the "historic" framework deal reached with Iran, saying it meets U.S. "core objectives" and will prevent the Islamic Republic from obtaining a nuclear bomb.

"Today, the United States, together with our allies and partners, has reached a historic understanding with Iran, which, if fully implemented, will prevent it from obtaining a nuclear weapons," the president said in a statement delivered in the White House Rose Garden.

Foreign ministers of the U.S. and other major powers -- Britain, France, Russia, China plus Germany -- on Thursday agreed on parameters to resolve major issues on Iran's nuclear program, following eight-day-long intense negotiations in the Swiss city of Lausanne, with a view to sealing a final comprehensive pact by the end of June.

Obama called the framework deal a "good" one that "meets our core objectives." Endite