The Saitama prefectural police apprehended Hajime Narahara, 36, following a report from the hospital that a nurse saw him injecting liquid into his own body during an operation, police sources said.

The police found a syringe containing liquid in his shoulder bag. Fentanyl was included in the liquid. Narahara has admitted to the allegations and said he had committed similar wrongdoing some 20 times, according to the sources.

He showed suspicious behavior before the operation, which was safely conducted, the sources also said. (Jiji Press)