In October 1999, 30 young people were arrested for attempting to display posters calling for peaceful economic, political and social change in Laos. Five of them were arrested and subsequently sentenced to up to 10 years imprisonment on charges of treason. They were to have been released by October 2009, but their whereabouts remain unknown. Later reports have contradicted this, claiming they were sentenced to 20 years in prison. In late February 2017, two of those imprisoned were finally released after 17 years.