Rail services between the towns of Alken and Sint-Truiden, in Limburg, are currently suspended, rail network manager Infrabel reported on Tuesday night.
This is due to an accident involving a person that occurred in Sint-Truiden shortly after 9 p.m. on Tuesday.
Where possible, trains are being diverted via Hasselt and Leuven.
Replacement bus services are also being operated by the SNCB.