A statement from the force said the six defendants aged 20 to 30 were detained following an investigation launched around 10 months ago and which culminated in 23 property searches carried out over the past couple of days. The group is suspected of having targeted vehicles and establishments in Setúbal, Palmela, Grândola, Santiago do Cacém, Santarém, Leiria, Lisbon and Figueira da Foz.