President Trump on Monday divulged his reason for not attending this year’s White House Correspondents’ Dinner in late April.

“Over the years you make a mistake, I fully understand when they hit you. But when they make stories up, when they create sources, ’cause I believe that sometimes they don’t have sources, you know, the sources don’t exist — sometimes they do exist. I’m not saying all sources, but I do believe that a lot of the sources are made up. A lot of the stories are made up. I believe a lot of, the stories are pure fiction, they just pull it out of air,” Trump told Fox News’ “Fox & Friends” in an interview set to air Tuesday morning.