The nuclear accident which broke out on April 26, 1986 at Ukraine's Chernobyl nuclear power plant was ever greatest in the human toll. 22 .000 people died, more than 100.000 developed chronic disabling diseases in the wake of the accident. This file picture shows the site of the catastrophe. One of his authos, ITAR-TASS correspondent Valery Zufarov was one of the first reporters that covered the accident. He died last year.