At least 14 people have been injured after an automated train near Tokyo went in the wrong direction.
Police said it crashed into a buffer stop after travelling 25 metres in reverse.
Some of the injured people have suffered bone fractures.
Yokohama Seaside Line Company, which operates the train, have launched an investigation into the incident.
It remained unclear when the operations will resume.

Trump says deal to end war to be signed Sunday, Iran questions timing
India Air Force plane crash kills all five onboard
Ukrainian strike kills one, wounds 3 in southern Russia
Trump says US military strike killed leader of Venezuela's Tren de Aragua gang
Qatar rejects media report on energy production decisions
Trump says Iran war deal close as Strait of Hormuz tensions linger
Victims' families mark Air India crash anniversary with prayers and tributes
Ebola outbreak spreads to crowded displacement camp in Congo
