Japanese police arrested Ryu Shimazu, 35, and Toshihide Oka, 34, for contaminating a communal bowl of pickled ginger at a fast food restaurant as part of a viral prank.

Japan has dealt with this issue before. In 2013, frequent reports of pranks and disruptive behavior at sushi restaurants also “dented” sales and traffic at chain operators, according to Kobayashi.

Three people have been arrested in Japan over unhygienic pranks at a conveyor-belt sushi restaurant after footage of their antics -- dubbed "sushi terrorism" -- sparked outrage online. Police accused ...

Japanese police have arrested two men who posted a video on social media showing one eating pickled ginger with his chopsticks directly from a communal container at a famous beef bowl restaurant ...