German police have carried out anti-terrorism raids in 4 states, concentrating on suspected members and supporters of so-called Islamic State.
Properties and properties had been searched in Bavaria, Berlin, Saxony and Saxony-Anhalt throughout the pre-dawn operation, federal prosecutors say.
Police had been in search of three suspects – two of them are believed to be IS members and the third a supporter of the jihadist group.
No arrests have been made.
After struggling a sequence of lethal assaults final 12 months, Germany has been in worry of additional violence.
On Tuesday, the authorities made an arrest linked to an alleged plot to murder a senior public figure.