Russian foreign minister to pay official visit VietnamVietNamNet Bridge – Russian Foreign Minister Sergey Lavrov’s official visit to Vietnam has been rescheduled for March 22-23. Russian Foreign Minister Sergey Lavrov’s official visit to Vietnam has been rescheduled for March 22-23.– Photo VNA/THXThe official had been scheduled to arrive on Monday, but the trip was postponed for an undisclosed reason. The visit will be made at the invitation of Vietnamese Foreign Minister Pham Binh Minh. Vietnam and Russia have enjoyed growing ties in all fields, especially economy. Meanwhile, Vietnam has invested in18 projects in Russia worth a total $2.4 billion.