Following up this article ..Tokyo is contaminated as the worst place in Chernobyl
Mr. Kabayama, a Tokyo city councilor of Liberal Democratic Party died after measuring radiation in Mizumoto Park.
He was measuring radiation in various areas in Tokyo and posted it on his blog.
On 6/30/2011, he measured 0.25 microSv/h in Mizumoto Park.
The next day, 7/1/2011 3AM, he was found dead with his head covered by a plastic bag.
Police thought it to be suicide for some reason. However, none of the posts on the blog suggested potential suicide, he sounded motivated to measure around in Tokyo.
He was found dead by his family.
Iori Mochizuki