German judicial authorities have remanded in custody a 29-year-old jihadist arrested on Tuesday who allegedly planned to carry out an attack on a pro-Israel demonstration in Germany.

This man is accused of “declared himself ready to commit a criminal act» according to the statement issued by the Dusseldorf public prosecutor’s office. The anti-terrorist service has taken over the case.

In messages he exchanged with a person in Syria he said he was “ready to carry out an attack” and his likely target was an anti-Israel demonstration.

The suspect he was arrested late Tuesday night at his home in Duisburg after local authorities were tipped off by a “foreign country’s intelligence service”, North Rhine-Westphalia’s interior minister said today, confirming local media reports. According to several media, this man’s name is Tariq S., he is German-Egyptian and has a jihadist past. Der Spiegel magazine and Bild newspaper say authorities believe he was planning an attack with an ambush truck against an unspecified demonstration.

The prosecution noted that the suspect had been sentenced in 2017, after his return to Germany, “by a juvenile court in Dusseldorf to five years in prison for participation in the jihadist organization Islamic State.” He is said to have gone to Syria in late 2013, where he joined IS and changed his name to “Osama Al-Almani”, meaning “Osama the German”.