According to JR East, the Yamanote Line had to suspend driving both inside and outside due to a personal injury at Shinjuku Station, but it resumed operation by around 10:30 am.
JR Yamanote Line resumed operation
2021-04-19T05:57:57.627Z
[NHK] According to JR East, the Yamanote Line had to suspend driving both inside and outside due to a personal injury at Shinjuku Station, but around 10:30 am ...
Source: nhk