US Secretary of State Hillary Clinton Sunday paid a short visit to Bulgaria and discussed energy issues and military cooperation with Bulgarian Prime Minister Boyko Borissov.
At a joint press conference with Borissov, Clinton said she had a very productive meeting with the prime minister.
She said Bulgaria and the US had been working to address critical issues, such as ensuring a successful transition in Afghanistan.
Clinton described Bulgaria as an extremely important, productive partner of the NATO, and said her country was committed to Bulgarian security and was looking to expand its military collaboration with Bulgaria.