Illegal fireworks sold online are getting bigger and heavier. This concerns, for example, mortar bombs (these are also called shells) and very heavy firecrackers.
The police are concerned about it, because these types of fireworks are very dangerous or even deadly.
The fireworks are also becoming easier to get via the internet. Children can also buy it there and the police are not happy about that.
Reporter Tamara was allowed to look at the explosives disposal service. There, experts are conducting research into these illegal fireworks. Tonight you will hear more about it in the Youth News.