German police have detained a “real suspect” in connection with the knife attack in Solingen that left three people dead, North Rhine Westphalia’s Interior Minister Herbert Reul told broadcaster ARD on Saturday night. Reul said the suspect was currently being questioned. A spokesman for the state Interior Ministry confirmed that the man had turned himself in. Reul said that the detention of the suspect was the result of following a lead. He said he was “a little relieved,” emphasizing that there was more than just a suspicion against the man as there were also “pieces of evidence.” “The person…