Prime Minister Anthony Albanese has called for Australia to "turn the temperature down" on political discourse after a man was arrested for allegedly threatening to kill him online.

Queensland man Norman Dean Lake was arrested on Saturday after he allegedly wrote on Facebook that he would "assassinate" Albanese and urged the public to "watch the news in two weeks".

At a press conference today, Albanese said there was "no place" for violence in discourse.

"We just need to turn down the temperature," he said.

"It's something that I've tried to bring to political discourse in this country."

Albanese said the problem had worsened in recent years.

"Issues that I face are far more acute than 10 years ago, five years ago," he said.

"Certainly a lot more acute than when I was firs

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