After a brief pause, he continued: "And as for the president, God bless his heart."
Edwards was referring to President Donald Trump's support for Rispone, who had appeared with the president at a rally just two days earlier.
>> Watch Edwards' speech, shared by WWL-TV, here
Rispone acknowledged Trump's efforts in his concession speech.
"Can we give President Trump a round of applause?" Rispone asked supporters, who cheered. "That man loves America, and he loves Louisiana."
>> Click here to watch Rispone's speech, shared by WWL-TV
Before the polls closed Saturday evening, Trump urged Louisiana voters to back Rispone in a tweet.
Read more here or here.
– The Associated Press contributed to this report.