The authorities say that a armed man opened fire inside a tram and in several other places in the Dutch city of Utrecht.
Several people have been injured and it is feared that one was killed in the shooting, according to reports.
The police say that the armed man is still loose. The trains and trams have stopped working and schools have been asked to keep their doors closed. According to reports, the anti-terrorist police says the shooting "seems to be a terrorist attack."
The Dutch coordinator against terrorism, Pieter-Jaap Aalbersberg, said all efforts were now focused on catching the gunman. He also said that there could be more than one author.
The level of threat has temporarily risen to its highest point in the province of Utrecht. The number of wounded or the seriousness of the wounded is unknown.
The authority of Utrecht transport He said that all the trams have now been canceled.