UPDATE: According to Reuters, the death toll from the incident is four, with 13 other injured.[WATCH:]
At least two people died during a parade for Dutch Queen Beatrix when a car is reported to have crashed into the progression, the BBC reports. No members of the royal family were hurt, but Dutch officials tell the BBC that they believe the crash to be an intentional attack. From BBC:
Cynthia Boll, a photographer at the scene, told the BBC the car was already badly damaged before it slammed into the crowds at high speed.
The crowds were celebrating Queen's Day - a national holiday in the Netherlands when thousands of people take to the streets to celebrate the queen's official birthday.
Read the full BBC account here, or scroll down for photos.