Police in Goettingen said Tuesday that about 1,000 officers were involved in raids against 22 suspects linked to the website xplosives.net.
Goettingen police chief Uwe Luehring said authorities seized the site's server and numerous storage devices. He said the site also hosted information on how to build military weapons and explosives.
Authorities also seized an unspecified amount of explosives and drugs in the raids in the three countries.
Copyright 2019 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.