The UNP councillor for the Southern Province, Krishantha Pushpakumara was arrested for obstructing police officers in the Akmeemana region.
Sri Lankan police have arrested a total of five local government politicians within 24 hours - two on charges of assault, including a health minister that assaulted a doctor.
Sri Lanka is one of the most dangerous places in the world to be a journalist. Tamil journalists are particularly at threat, with at least 41 media workers known to have been killed by the Sri Lankan state or its paramilitaries during and after the armed conflict.
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