A Japanese taxi driver who got a sexual thrill out of watching women desperate to urinate has been arrested for allegedly feeding passengers snacks laced with diuretics, police said.

A video has emerged showing a volleyball coach repeatedly slapping a schoolboy — just days after Tokyo was awarded the 2020 Olympics — in the latest example of brutality to tarnish Japanese sport.

Mongolian muscleman Asashoryu is the focus of one of sumo’s biggest scandals ever – one that has all of Japan wondering if their cherished, ancient sport is on the take.