In this Feb. 19, 2015 photo, police dogs bite the arm of a police officer during an anti-terrorism drill for the upcoming Tokyo Marathon, at the Tokyo Metropolitan Police headquarters in Tokyo. Organizers of the Feb. 22 marathon have promised increased security following the slaying of two Japanese hostages by the Islamic State group. (AP Photo/Kyodo News) JAPAN OUT, CREDIT MANDATORY (The Associated Press)
In this Feb. 19, 2015 photo, a police officer displays the uniform of "Running Police" for the upcoming Tokyo Marathon at Tokyo Metropolitan Police headquarters in Tokyo. About 30,000 runners are expected to take part in the Feb. 22 race through the streets of Tokyo. Police, with wearable camera on ...
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