They want the government to accelerate its investigation into the enforced disappearance of Sombath Somphone.
The 13 Laotians were forced work on a pig farm without pay after they were smuggled to Thailand.
Local citizens were scandalized by the club, which features pole dancers inside a historic cave.
Finance officials and other senior figures profited from the schemes, a state auditor says.
A police officer says local authorities are powerless to stem illegal timber exports to Vietnam.
Sources say the issues of most importance haven’t been reported for 65 years.
Seizures by police include large quantities of amphetamines and the chemicals used to produce them, sources say.
She spent more than two months in custody after the photos appeared on Facebook.
She had been held for one month due to a ‘misunderstanding,’ officials said.
A source says it made at least three efforts to lift off from an airport in the capital.