A knife-wielding attacker in France left two primary schoolchildren with only superficial cuts on Thursday but terrified the small community of Souffelweyersheim on the outskirts of Strasbourg. A suspect was detained after the attack in Souffelweyersheim on Thursday, according to the public prosecutor’s office in Strasbourg. The man, who is around 30 years old, was taken into police custody, it said. The two schoolgirls, aged 7 and 11, suffered superficial cuts. They were able to leave the university hospital in Strasbourg after brief treatment. Nothing was initially known about the attacker’s…