Transcript for Senior Republican calls for special prosecutor to look into alleged Trump campaign contacts with Russia

We move to president trump who is escalating, yet again, hi war with the press. Announcing now that he's not going to attend the annual white house correspondent dinner. There's a headline that won't make anyone in the white house laugh. A top Republican calling for a special prosecutor to investigate team trump's ties to Russia. David Kerley is covering it all from the north lawn. Reporter: The question is, will other Republicans join that call for an independent special prosecutor to look into the allegations that have fueled the president's battle with the media. That is, did his campaign have repeated contacts are the Russians leading up to the elections. After dining with his daughter and others at his hotel in Washington, D.C., this morning, the president is battling reports again of tieing to Russia. With the senior member of his own Republican party now saying those reported contacts need a special investigation. We need to inves gate their activities and we need to do it because they're bad people. Reporter: Congressman Darryl Issa saying they should have a special prosecutor. Jeff session who is is son the campaign and was an appointee. You're going need the use the special prosecutor's statute. Reporter: The white house says both chairman were asked to try to tamp down the media reports. We're fighting the fake news. It's fake. Phony, fake. Reporter: After weeks of sparring with the news media, he took to Twitter to announce I will not be attending the white house correspondents' association diber this year. Please wish everyone well and have great evening. He's atentded in the past as a guest. You fired Gary Busey. These are the kind of decision that would keep me up at night. Reporter: The white house correspondents' association responded saying the dirn will go on. It will be a celebration of the first amendment. Paula? Thank you, David. A fiercely divided democratic party still reeling

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