Complex sentence: His participation at the Montreal Games sparked a heated debate, in which he supposedly said he hated French Canadians (Montréal-Matin Newspaper, July 29,1976, pages 5 and 8).
Split into simpler sentences: His participation at the Montreal Games sparked a heated debate. He allegedly said that he hated French Canadians (Montréal-Matin Newspaper, July 29,1976, pages 5 and 8).