A stab attack in Holland: Some injured persons included a police official

A police officer was among the victims, and at least one person is said to be still in very serious condition, the telegraph reports, broadcast Periscope.

Emergency services were called to the scene in Hoofddorp, the main city in Haarlemmermeer, northern Netherlands early this morning.

Police said in a statement they received a report of a knife incident at the Fanny Blankers-Coenlayan around 6 am.

There are several victims, including a colleague. Numerous ambulances are on the scene”, Enheid Noor-Holland said in a statement.

Local media reported that the injured officer was taken to the hospital, with a police car “stained with blood”.

It was not immediately clear what caused the incident. Police are currently investigating and closing the road.

Fanny Blankers-Coenlanan is a group residential structure for people with limited intellectual or moderate abilities.

It's not clear if anyone's been arrested. Police are expected to provide more information later.

The scene's images showed a police cord marking an area on a street in the city.

The ambulances were parked on both sides of the road, and police officers could be seen standing by, near what seemed to be a stretcher.

Police have not discovered the identity of the wounded, or the nature of the wounds, except that one person was seriously injured.