The prison death of a former soldier who fought for the South during the Vietnam War has sparked concern among international observers in Vietnam.
In a prison hospital on the outskirts of Hanoi, war veteran and political prisoner Truong Van Suong died only 25 days after returning from a year-long medical parole.
The former soldier, who fought for the former Republic of Vietnam, suffered from severe heart disease and high blood pressure. He was 68.
Human Rights Watch spokesman Phil Robertson condemned Vietnamese authorities for sending Suong back to jail.