A new Courier-Journal/WHAS11 Bluegrass Poll has been conducted in the race for Louisville mayor.The survey finds a statistical dead heat between Republican Hal Heiner and Democrat Greg Fischer.The Bluegrass Poll of 538 likely voters was conducted last Thursday through Sunday. It shows Heiner and Fischer each receiving 45 percent support. The poll has a margin of error of 4.3 percentage points. Three percent of the voters say they support independent candidate Jackie Green, with two percent behind fellow independent Nimbus Couzin. A third independent candidate, Jerry Mills got on the ballot Monday.Both the Heiner and Fischer camps say they're not surprised by the results. Heiner told the Courier-Journal it reflects his campaign's recent polling. Fischer says his campaign has been braced for a "very competitive" race.This is the first poll to be conducted since the May primary election.