Complex sentence: The assassination of Anna Politkovskaya, the Russian journalist, writer, and recipients of numerous international awards, took place on Saturday, 7 October 2006 when she was found shot dead in the elevator of her apartment block in central Moscow.
Split into simpler sentences: The assassination of Anna Politkovskaya, the Russian journalist, writer, and recipients of numerous international awards, took place on Saturday, 7 October 2006. She was found shot dead in the elevator of her apartment block in central Moscow.