Hotel chaos, transport mishaps and diplomatic blunders cast a spotlight on organisers and the firm hired to deliver the games.
The Hokkaido Shimbun journalist is accused of collecting information on Moscow's defence capabilities for Tokyo.
Japan's Fair Trade Commission conducted searches of the country's largest beer-makers.
As a result, Toyama city may have received more funding from the central government than it should have.
For many locals on this island, the arrest has brought decades of frustration back to the fore.
Japan's government lodged a formal protest with the US, demanding that military officials take action.
Shoko Kawata's maternity leave drew mixed reactions in Japan, a country struggling to lift birth rates.
The hikes are part of immigration policy changes introduced to manage Japan's growing foreign population.
Hiroshi Suzuki visits the birthplace of William Adams, who was made a samurai in the 16th Century.
