President Trump on Monday took a swipe at former Fox News host Tucker Carlson, who has in recent days been critical of Trump’s handling of the burgeoning conflict between Israel and Iran. “I don’t know what Tucker Carlson is saying.

The U.S. commander in chief again urged the Islamic republic to reach an agreement “before it’s too late.” Trump’s comments during the gathering of world leaders came shortly before Israel’s ambassador to the U.S. laid out what it would take from Tehran for his government to end its strikes on what he dubbed “the head of the snake.”