Radio Netherlands reported earlier Thursday that joyous festivities were set for Apeldoorn to celebrate Queen's Day. The remainder of the celebration has been canceled, according to NOS.nl.
Local tweets in Dutch were all over this event, utilizing Twitter to share information in the breaking news situation:
Some Twitterers were adamant that it was not an accident.
Were you at this event? Please leave a comment with information on what you saw, plus links to any pictures or videos you may have taken.