A sightseeing bus plowed into the back of a chauffeur-driven car in central Tokyo on Wednesday, killing the sedan driver in his 50s and prompting police to arrest the bus driver at the site.No passengers were on the bus -- operated by Hato Bus Co., which is known for its unique tours around the Japanese capital -- or in the sedan when the accident occurred at around 6:35 p.m. near the Tokyo metropolitan government building in Shinjuku Ward, the police said.The sedan had been stopped at a red light when it was rear-ended by the tour bus, which continued over a divider to the far side of the …READ FULL ARTICLE