In making its announcement, Fox offered a terse statement of gratitude. 

His abrupt departure stunned people inside Fox News and in the broader conservative media universe, where Mr. Carlson had considerable power to elevate candidates and controversies. His position at the network appeared to grow untenable quickly. Fox had been promoting an interview Mr. Carlson was set to do on Monday with Vivek Ramaswamy, a Republican candidate for president in 2024.