Several people have been shot dead in the Dutch city of Dordrecht, near Rotterdam, according to police. Unconfirmed reports state that three had been killed. The incident occurred at around 6pm local time on Monday, in the Heimerstein neighborhood of the city. Police soon descended on the scene of the shooting, which is believed to have happened inside a private home.Dordrecht’s Mayor Wouter Kolff described the shooting as “very serious,” and announced he would visit the Heimerstein neighborhood later on Monday night.Less than three hours before the shooting, a man had been injured in a daylight stabbing in the center of Dordrecht, and the perpetrator arrested. On the other side of Rotterdam earlier Monday morning, a quarrel at a metro station turned fatal, when a passenger stabbed another rider to death over an argument about who would enter the train first, according to local media.