(VOVworld) – German authorities have arrested two German-Moroccan brothers suspected to be members of the Islamic State and al-Nusra Front extremist groups.

Federal Minister of the Interior Thomas de Maizière says the number of potential terrorists in Germany is higher than ever (Source: AFP/VNA)

They were arrested on Tuesday near the western city of Bonn. Both men are alleged to have traveled to Syria in 2013, where they trained in ISIS military camps.