A 17-year-old boy was injured in a stabbing incident on Johan van Hasseltweg in Amsteram Noord on Sunday. He was taken to hospital with unknown injuries, the Amsterdam police said on Twitter.
The boy was stabbed multiple times in the back, according to NU.nl. A police spokesperson told the newspaper that no arrests have been made. The police are looking for witnesses.
The stabbing happened during a fight near bus stop 112, according to the newspaper. Around 20 or 30 people were involved in the brawl.