State prosecutor Hansjoerg Bacher says the 41-year old man is believed to have persuaded at least eight young men to join a radical Islamic group fighting the regime in Syria.
Bacher said yesterday that four are believed to have died in Syrian fighting. He couldn't confirm a report by the weekly Profil magazine that two others are missing.
Bacher declined to identify the suspect in line with Austrian confidentiality laws.
Profil said the men recruited by the Chechnya-born suspect joined the al-Qaida-linked insurgency al-Nusra Front.
