Complex sentence: He left the Russian Federation Council in April 2003 to protest the violations of the Ingushetia presidential elections, accusing the federal authorities in pre-arranging the Murat Ziazikov's victory in the elections.
Split into simpler sentences: He left the Russia's Federation Council in April 2003 in a protest against the violations of the Ingushetia presidential elections. He accused the federal authorities in pre-arranging the Murat Ziazikov's victory in the elections.