In the world’s worst nuclear accident in 1986, 31 people died, 129 others suffered acute radiation and many thousands are expected to die prematurely as a result of exposure to radiation released from the stricken plant. Name the site of this mishap.

The Chernobyl disaster in April 1986 at the Chernobyl Nuclear Power Plant in Ukraine (then part of the Soviet Union) was the world's worst nuclear accident. The explosion and fire released large amounts of radioactive materials, killing 31 workers immediately, causing acute radiation sickness in 129 others, and leading to thousands of premature deaths from long-term exposure.