Question: What event occurred on April 28th, 1945, and was witnessed by George Emil Bria, an Italian-American journalist who worked for the Associated Press?
Sentence (from "Death of Benito Mussolini"): However, since the end of the war, the circumstances of Mussolini's death, and the identity of his killer, have been subjects of continuing confusion, dispute and controversy in Italy.
Relevant evidence: No