Three people have been arrested on suspicion of involvement in the explosion in a residential area in The Hague, Netherlands, on Saturday, where at least six people died. Three of the deceased were from the same family.
Four people are still being treated in hospital after the incident, two of them with serious injuries.
Several cars have been seized and the authorities do not rule out further arrests, according to the police, who state that tens of tips have come in.
The police have urged the public to come forward with information about a car that was seen driving away from the scene after the explosion.
