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
Nuclear weapons and Ukraine territorial integrity of Ukraine. Despite Russia's claimed annexation of Crimea, which the UN General Assembly rejected as invalid, the Government of Ukraine in 2014 reaffirmed its 1994 decision to accede to the Nuclear Non-Proliferation Treaty as a non-nuclear-weapon state. After the Ukrainian Parliament voted to remove President Viktor Yanukovych from office, a power vacuum formed, and Russia annexed Crimea. The Russian pretext used nationalist and cultural rhetoric, claiming that the Russian military was protecting ethnic Russians from attack in Crimea and Eastern Ukraine. Russia's military actions violated the Budapest Memorandum. Pavlo Rizanenko, a member of the Ukrainian parliament told "USA