Vietnams prominent lawyer Nguyen Van Dai (C) stands in a courtroom during his trial with other political activists in Hanoi on April 5, 2018.Six activists were jailed for between seven and 15 years on April 5, for "attempting to overthrow the state," the harshest sentences in years as the communist country tightens its grip on critics. (Photo by - / Vietnam News Agency / AFP)        (Photo credit should read -/AFP/Getty Images)