Overview

• JR East received a report around 6 p.m. that a portable battery was emitting smoke on the upbound Narita Express connecting Narita Airport and central Tokyo.
• The train made an unscheduled stop at JR Ichikawa Station in Chiba Prefecture, where the smoke was extinguished.
• No injuries were reported by the railway operator or local fire authorities.
• The affected service incurred roughly a one-hour delay, The Mainichi reported.
• JR East said other trains were not significantly affected by the incident.