TAIPEI -- On Sunday morning, as voting began in Hong Kong's district council elections, where pro-democracy forces were about to score a historic victory, Taiwan was buzzing with a new scandal.

The people of Taiwan have become obsessed with a scandal that involves a self-proclaimed Chinese spy, their country's elections and booksellers in Hong Kong. (Nikkei montage/ Source photos by Getty Images and Reuters)
Investigation has potential to sway elections and regional power game