The traveling public is being urged to check where the emergency button on trains is located as soon as they board and to keep pressing it if an incident unfolds where passengers’ lives are at risk.

The logo of West Japan Railway Co. (Mainichi/Miki Hirano) OSAKA -- A passenger on a bullet train that had stopped at Okayama Station on the Sanyo Shinkansen Line on Jan. 5 pushed an emergency button ...