<p>A man in Isaan, northeastern Thailand, has been sent for a psychological examination over a ‘no vote’ campaign while policemen raided another northeasterner’s home over a ‘vote no’ t-shirt.</p> <p>Police officers of Phibun Mangsahan District in Ubon Ratchathani Province on Tuesday, 26 July 2016, arrested Wichan Phuwihan, a 48-year-old man from Bangkok, at the district market.</p> <p>Wichan was arrested for shouting at people not to turn up for the 7 August public referendum on the draft constitution.</p>