Different types of ammunition and other explosive material have also been found, as well as a 3D printer and parts of 3D-printed weapons. The Explosives Clearance Service (EOD) was used at four addresses.
Experts make WWII-bombs harmless after great evacuation in Cologne
The eight men and two women, between 22 and 59, come from Heerhugowaard, Zandvoort, Diessen (Noord-Brabant), Hagestein (Utrecht), Eefde (Gelderland), Brielle (Zuid-Holland), Hellevoetsluis and Haarlem.
The research of the unit of national expertise and operations started at the beginning of May when agents at the station in Ermelo witnessed a suspected weapon transaction. A motorist is said to have given a bag to another man who briefly got in and out. According to the police, the motorist had a hundred sharp patterns with him.