Yep... A little defect with a switch caused the derailment.
Meanwhile, the tram was sent to Molenwijk, in order to be repaired, and all trains now are going to Monument.
(I took one of the articulated trams)
Cheers from Lisbon, the capital city of Portugal.
Trains are my favourite addiction!
"Na entrada para os comboios, atenção à distância entre as portas e a plataforma".