In a rare crackdown on an artist’s live street performance, police referred a case to prosecutors on a female idol group’s event in Tokyo’s Shinjuku Ward in May, investigative sources said.

Shinjuku Ward Mayor Kenichi Yoshizumi also spoke at the news conference, displaying a sign reading, “No drinking on the street.” In both Shibuya and Shinjuku wards, which are home to some of ...

The area has been a nightlife center since Edo times, when it was the first night stop on the old Tokaido ... This narrow ...