(VOVworld) – President Truong Tan Sang sent a message of congratulations to Norway's King Harald V on Friday to mark Norway’s Independence Day on May 17th. Marking the occasion, Prime Minister Nguyen Tan Dung sent a congratulatory message to the Norwegian Prime Minister Erna Solberg while Deputy Prime Minister and Foreign Minister Pham Binh Minh sent his congratulatory message to his Norwegian counterpart Brge Brende.