A Russian military attache at the Russian Embassy in Tokyo left Japan on Saturday after a senior officer of Japan's Maritime Self-Defense Force was arrested early Friday for allegedly passing defense secrets to him.
Capt. Victor Bogatenkov, 44, boarded a plane at Narita airport, which took off at 12:25 p.m.
The Metropolitan Police Department had asked Bogatenkov, who has diplomatic immunity, to present himself for questioning, but he refused to comply.