U.S. Denies Role in Killing of Iranian Nuclear Scientist

U.S. Secretary of State Hillary Clinton calls recent Iranian threats to close the Strait of Hormuz 'provocative and dangerous'.

Secretary of State Hillary Rodham Clinton said the U.S.played no role in the killing of an Iranian nuclear scientist and said the U.S.is looking for an international understanding with Iran that ends its uranium enrichment program.

Clinton categorically denied any U.S.involvement in Mostafa Ahmadi Roshan's death.

Hillary Clinton AP 29.11.2010

Reports said two assailants on a motorcycle attached a magnetic bomb to Roshan's car, killing him and his driver Wednesday. Roshan was a chemistry expert and director of the Natanz uranium enrichment facility in central Iran.

Clinton called recent Iranian threats to close off the Gulf "provocative and dangerous." She said the U.S.was committed to keeping the international waterway open. She called it "part of the lifeline that keeps oil and gas moving around the world."