By Mark Memmott
The agency has now posted some of the last video taken by Muramoto before his death, and the chilling scenes capture the violence and danger as protesters who say Prime Minister Abhisit Vejjajiva took power illegitimately fought with authorities.
Reuters says Muramoto, 43, was killed by a gunshot would to the chest, "his killer unknown."
From Bangkok, NPR's Michael Sullivan says that today, authorities did not try to stop protesters from demonstrating. Saturday's violence, he adds, was "the worst political violence to hit Thailand in nearly two decades." The unrest is now hurting the country's tourism industry, has sent its stock market down sharply and has prompted dozens of other nations to issue travel warnings: