(FILES) In this file photo taken March 23, 2018, Vietnamese President Tran Dai Quang greets journalists as he waits for the arrival of Russian Foreign Minister Sergei Lavrov (not pictured) at the Presidential Palace. - Vietnamese President Tran Dai Quang dies on September 21 at the age of 61 after a prologued illness, state run media reported. (Photo by MINH HOANG / POOL / AFP)