Dutch police said Tuesday that they have arrested three suspects who might have been involved in the explosion and fire that killed six people in an apartment building in The Hague over the weekend. Authorities had said they were investigating “all possibilities” that could have caused the disaster,

The police investigation at the location of the explosion on the Tarwekamp in The Hague last Saturday has been completed. The location will now be handed over to the municipality. Several buildings collapsed due to explosions on Saturday morning on the street in the neighborhood of Mariahoeve.

Dutch police have arrested three people following an explosion that killed six people and injured four in an apartment building in The Hague, the police said on Tuesday.