“The Late Show” host Stephen Colbert is not going down quietly. On Monday, he imparted a few choice words to President Donald Trump and CBS, the network that canceled his show last week. Colbert responded to Trump celebrating his cancellation by telling the president to “go f**k yourself,” Mediaite reported.

In his opening monologue during Monday’s show, Colbert, who has been an outspoken critic of the president on his show, acted aghast at Trump’s post.

Stephen Colbert fires back at Donald Trump with “Go f*ck yourself” after CBS cancels The Late Show; here’s the timeline, merger context, and key reactions.