According to SNCB, an investigation is underway into the incident.
The train running from Ostend to Brussels stopped around 7:30 p.m. just after Merelbeke. The passengers were evacuated, although the train was able to resume its journey soon after.
According to SNCB spokesman Dimitri Temmerman, this is a serious act which is the subject of an investigation. He declined to comment on the nature of the incident.