That was a nice effort there.

(LOUISVILLE, Ky.) — According to surveillance video obtained by ABC News Louisville affiliate WHAS, the mayor of Louisville, Kentucky, Greg Fischer, appears to fall to the ground after being hit.
The mayor of Louisville, Kentucky, was assaulted over the weekend while out attending community events when he was punched by the assailant. Police are still investigating and have yet to make any arrests.

No arrests made yet in attack on Louisville mayor | News/Talk/Sports 94.9 WSJM

It is interesting that basically nobody gave a damn and let the guy go. And it seems nobody is fessing up either about his identity.