Arnold's attorney Marty Singer confirmed to The Hollywood Reporter that Arnold was "attacked" by Burnett, but didn't say what their next steps will be.
The duo were entering the Evening Before the Emmys event in West Los Angeles when Arnold ran into Burnett.
Last night, tensions between the two men seemed to boil over, as they both converged on a pre-Emmy fundraiser for the Motion Picture Television Fund in Century Park.
He has been vocal in goading "The Apprentice" creator Burnett, claiming the latter has an embarrassing tape of Trump from the series.
On Sunday night, Arnold said via Twitter that Burnett "went apes-" and tried to choke him.
Arnold accused Downey of lying about how she was bruised.
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But Burnett's wife, Roma Downey, tweeted a totally different perspective of the scuffle - claiming that Arnold had "ambushed" her husband and gave her a bruised hand during the ensuing commotion. Arnold posted on Twitter Monday, September 17, that he was pressing charges against Burnett. The premise of the show involves Arnold searching for damaging tapes of President Donald Trump - including rumored tapes of Trump making racist comments on the set of The Apprentice.
Arnold wasn't tagged in the tweet, but he fired back nearly immediately.
"They're really anxious about me being anywhere near him", Arnold told Salon about Burnett.
Soon after, Arnold's pal Patton Oswalt tweeted a photo of them together along with this caption: "I'm with @TomArnold, everyone". The president also reportedly uses the N-word and "calls Eric [Trump] the R-word", Arnold told Jimmy Kimmel. "I'm filing police report and suing you for defamation".
Roma knocked Bryan Fogel's phone out of his hand after Mark Burnett chocked me. "He's okay. We gotta protect this brutal angel", he wrote. He won the Oscar this year for his wonderful documentary Icarus.