BANGKOK - A political activist from Laos who fled to Thailand has gone missing after seeking refugee status with the United Nations, the latest in a series of disappearances of refugees and asylum-seekers in the region, rights groups said on Friday .
The International Federation for Human Rights called on Thailand to investigate the activist's disappearance. He was last seen on Aug 26. "The police are ready to investigate the disappearance of Od Sayavong". Krisana Pattanacharoen, a deputy spokesman for Thai police, told Reuters.