No, that was Jonathan Karl of the American Broadcasting Company.

But you're right in that he also threatened John Lyons of the Australian Broadcasting Corporation at the same event: https://www.theguardian.com/us-news/2025/sep/16/donald-trump-clashes-with-australian-abc-journalist-and-hints-at-albanese-meeting

And Trump did distinguish between the two ABCs, mentioning the leader of Australia to the Australian, and the lawsuit against ABC to the American.