The tractor-trailer left the road and drove into a group of people attending a barbecue, police said.
Six people were killed and seven injured when a truck drove into a group of people dining outside near Rotterdam on Saturday evening, according to a new report from Dutch police on Sunday.
We now have six people killed and seven injured, one seriously, after yesterday's crash, police spokeswoman Mirjam Boers said .
We are still investigating to find out what exactly happened, she added. The police initially ruled out the terrorist trail.
An initial report of the accident which occurred on Saturday evening in Zuidzijdsedijk, about 30 kilometers south of Rotterdam, reported at least two dead and several wounded.
The driver of the truck, registered in Spain, emerged unscathed from this accident.
< p class="e-p">Police say the tractor-trailer veered off the road and rammed into a group of people attending a barbecue hosted by a local skating group.
The driver of the truck, registered in Spain, was not injured. He was arrested and taken into custody.
Ms Boers confirmed that the driver was not under the influence of alcohol. The police have appealed for witnesses to help with their investigation.