Islamic State claims responsibility for knife attack in Germany

SOLINGEN, Germany — The Islamic State group claimed responsibility on Saturday for a knife attack in the German city of Solingen that killed three people and wounded eight others.   Police have detained a 15-year-old and were investigating whether this person was linked to the attacker. The perpetrator was still at large on Saturday.   Describing the man who carried out the attack as a "soldier of the Islamic State," the militant group said in a statement on its Telegram account: "He carried...