LOUISVILLE, Ky. — Louisville Metro police are investigating after Mayor Greg Fischer was assaulted at Fourth Street Live on Saturday night. According to mayor's office spokesperson Jessica Wethington, Fischer was at Fourth Street Live earlier this evening when he was approached by an individual who then proceeded to punch him. The mayor is doing fine, said Wethington. Louisville Metro Police Department is investigating the incident and has released photos of the suspect that they believe is responsible for the assault. LMPD said that they will release further information as it becomes available. They have also asked anyone with information on...