BBC video, 30 April 2013
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The wife of a prominent Laos civil society leader who disappeared four months ago while driving home has urged that more be done to find her husband.
Security camera footage showed Sombath Somphone being taken away by unidentified men after he was stopped by police in the capital Vientiane.
The communist authorities in Laos say they do not know what has happened to him.
Mr Sombath had been campaigning for sustainable development and fair land rights for small farmer.