The hiker's GPS watch, which uses satellite signals to log routes and monitors heart rate, was retrieved after the fatal attack, the Asahi Shimbun reported.

Japan’s government says that the chances of a magnitude 8 earthquake have increased. Scientists can’t predict when one will strike, but it represents a meaningful jump over typical odds.

Japan has scrambled jets to monitor Russian and Chinese air forces conducting joint patrols around the country, the Japanese defense ministry said late Tuesday, amid rising tensions between Tokyo and Beijing.

Two Russian strategic bombers Tu-95 that flew down from the airspace east of the Korean Peninsula joined a pair of Chinese H-6 bombers over the East China Sea for a joint flight down to the Pacific off the southern coast of Japan's Shikoku island.

This follows joint drills by Chinese and Russian strategic bombers and fighters on Tuesday that prompted Japan and South Korea to scramble planes to monitor them.

Japanese journalist Shiori Ito's documentary, “Black Box Diaries,” has finally premiered in Japan after facing legal hurdles.

China and Japan clash over 'dangerous' radar incident as Chinese jets target Japanese aircraft near Okinawa, escalating military tensions between the nations.

Kareem El, a civilian from Washington, D.C., visiting Okinawa, was held by U.S. military police for declining to provide identification.