Update: The trains were stoned, not shot
Four trains were shot at in the Brussels suburb of Schaarbeek. There were no injuries, but the train traffic in the area was halted for 45 minutes. The shooter was not caught.
The shooting incident took place shortly before 8:30pm, according to the Infrabel spokesperson. The treins were shot at between Buda station, in Vilvoorde, and Schaarbeek.
Three of the trains were coming from Antwerp and one train was going in the opposite direction. A window was broken in the latter train and was immediately replaced at the station in Schaarbeek. No damage was found on the other trains.
The train security services and the federal police came immediately to the place and searched the area, but did not find the shooter. The situation was considered safe at 9:12pm and the train traffic was resumed.
Source: HLN (Dutch)