Dozens of police officers have descended on a refugee shelter in the western German city of Solingen on Saturday evening in an operation reportedly connected to the deadly knife attack in the city. The perpetrator of the attack, which killed three people at a festival in the city on Friday night and left eight more wounded, managed to escape amid the chaos and panic. A major manhunt is under way, although police have not identified a suspect or released a clear description of the attacker. “We have received information and are currently carrying out police measures as a result,” said a police …