The mayor of the western German city of Solingen said that “the pain is infinitely large” in the city after a deadly knife attack at a local festival. Mayor Tim Kurzbach spoke just before the start of a prayer service in Solingen on Saturday, less than 24 hours after three people were killed and several severely injured by a knife-wielding attacker at a festival celebrating the 650th anniversary of the city’s founding. “We in Solingen are deeply affected, our city is full of grief. But not being alone in this grief is a good sign,” said Kurzbach. In addition to the emergency services, he also …