Both Thalys and Eurostar announced they would cancel services to the Belgian capital. Eurostar said its traffic from London would have a reduced schedule up to Lille, France.
Rail workers are fearful their employment conditions will be undermined under a new plan to revamp and streamline the three companies currently overseeing train traffic in Belgium.
Unions want to go back to a single company controlling the rail grid and train traffic, saying the numerous and lengthy delays of the past could be blamed on managerial disorganization. The three companies are controlled by the national authorities. The government wants to turn the three companies into two.