An explosion has damaged a Jewish school in Amsterdam, APA reports, citing Dutch media.
The city's mayor, Femke Halsema, said she believed the overnight blast was a targeted attack against the Jewish community.
Police and fire services were able to respond to the incident quickly.
Damage to the school was limited.
It is not known if there were any casualties.
Police are investigating camera footage appearing to show the person who detonated the explosive.
Tight security at Jewish schools and institutions has been strengthened even more following attacks in recent days on synagogues in Rotterdam and in Liege, Belgium.