“It breaks my heart that an attack on our city happened,” Solingen Mayor Tim Kurzbach said in a Facebook post The city of 160,000 residents was holding its “Festival of Diversity” to mark the city’s 650th anniversary SOLINGEN, Germany: Three people were killed and four were seriously wounded in an attack on Friday at a festival in the western German city of Solingen, police said. Police said that the perpetrator was on the run, German news agency dpa reported. It cited unidentified police sources as saying the weapon was believed to be a knife. The attack happened at about 9:45 p.m. (1945 GMT) on a central square, the Fronhof. One of the festival organizers, Philipp Müller, appeared on stage and asked festivalgoers to “go calmly; please keep yours eyes open, because unfortunately the perpetrator hasn’t been caught.” He said many people had been wounded by “a knifeman.” Mayor Tim Kurzbach said in a Facebook post that “this evening, we in Solingen are all in shock. We all wanted to celebrate our city’s anniversary together and now have dead and wounded to lament.” “It breaks my heart that an attack on our city happened,” he added. The local newspaper Solinger Tageblatt quoted Celine Derikartz, its reporter covering the festival, as saying that “the atmosphere is spooky.” She said a party atmosphere had turned to shock within minutes and she saw festivalgoers weeping. The “Festival of Diversity,” marking the city’s 650th anniversary, began on Friday and was supposed to run through Sunday, with several stages in central streets offering attractions such as live music, cabaret and acrobatics. Solingen has about 160,000 residents and is located near the bigger cities of Cologne and Duesseldorf.