Nuclear labor issues the most dangerous tasks within the industry is intensified by nuclear secrecy. On May 22, 1986, a nuclear fuel reprocessing plant at La Hague in Normandy, sustained a mechanical malfunction. Five workers were exposed to unsafe levels of radiation and hospitalized. On April 12, 1987, the Tricastin Nuclear Power Plant fast breeder reactor coolant leaked contaminating seven workers. In July 2008, approximately 100 workers were exposed to a radiation leak. The Chernobyl nuclear reactor meltdown occurred on April 26, 1986, in the Ukraine, during a test of the Unit 4 reactor systems. The explosion and fire caused by human error
Serbs in Ukraine Serbs in Ukraine There is a community of Serbs in Ukraine (; ), which includes Ukrainian citizens of ethnic Serb descent or Serbian-born people residing in the country. According to the 2001 census, there were 623 citizens in Ukraine that declared Serb ethnicity. It is estimated that the community numbers ca. 1,000 (2012). The 2001 census registered 623 citizens declaring Serb ethnicity (Національність: серби), out of whom 219 had Serbian citizenship, 104 Ukrainian, 218 Russian, 68 other. The Serbian Ministry of Diaspora estimated in 2007 that there was a Serbian diaspora community numbering ca. 15,000 people in Ukraine. This data