FILE PHOTO: An image of Vietnamese former oil executive Trinh Xuan Thanh is seen on a TV screen on state-run television VTV, saying he turns himself in at a police station in Hanoi

FILE PHOTO: An image of Vietnamese former oil executive Trinh Xuan Thanh is seen on a TV screen on state-run television VTV, saying he turns himself in at a police station in Hanoi

An image of Vietnamese former oil executive Trinh Xuan Thanh is seen on state-run television VTV, claiming he turned himself in at a police station in Hanoi, Vietnam August 3, 2017. Photo: Reuters/Kham

September 21, 2017 1:41 PM (UTC+8)