A supporter of the Afrikaner Resistance Movement (AWB), stands next to his car with a sign painted on it at the entrance of Eugene Terre'blanche's farm in Ventersdorp April 4, 2010. South African President Jacob Zuma called for calm on Sunday after the murder of white far-right leader Terre'blanche fanned fears of growing racial tension. Police have detained two black farm workers and suspect Terre'blanche was killed in a dispute over unpaid wages, but AWB says he was battered and hacked to death in an attack with political overtones. REUTERS/Siphiwe Sibeko (SOUTH AFRICA - Tags: POLITICS CRIME LAW)