Transcript for Backlash to Trump's 4th of July celebrations
of the show, president trump spoke to a packed crowd at mt. Rushmore in South Dakota overnight. There was no social distancing and no masks required. Protesters railed against the president for what they saw as Ricky behavior in the midst of this pandemic and ABC's Rachel Scott is on the national mall in Washington D.C. Where the president in D.C. Tonight will attend another large-scale event. Rachel, good morning to you. Reporter: Dan, good morning. Yes, 300,000 face coverings will be on hand tonight but wearing it will be optional. The president hosting his third large-scale event in the last two weeks as health officials continue to warn against those big crowds and another campaign official testing positive for covid-19. They're coming to America Reporter: Overnight fireworks and flyovers at mt. Rushmore. President trump kicking off the fourth of July weekend pushing back against weeks of protests that have toppled controversial statues and monuments. Our nation is witnessing a merciless campaign to wipe out our history, defame our heros, erase our values and indoctrinate our children. Reporter: In the shadow of those famous presidential sculptures, the president said America's history is under attack. This movement is openly attacking the legacies of every person on mt. Rushmore. This monument will never be desecrated. Reporter: But amid a national reckoning on race the nation's ideals and principles are being questioned. When you carve out, you know, four white men who were colonizers who committed genocide against indigenous people and for that to be okay in society today is fundamentally wrong. Reporter: As air force one flew overhead clashes with protesters on the ground. In the amphitheater no social distancing. Thousands packed shoulder to shoulder only inches apart. Many not wearing a mask. Reporter: Minutes before the president took the stage, news that trump campaign senior adviser and top fund-raising official Kimberly Guilfoyle tested positive for covid-19 in South Dakota. Guilfoyle is dating the president's eldest son Donald Trump Jr. And regularly attends campaign events, seen here two weeks ago at the trump rally in Tulsa without a mask. In a statement the campaign's fund-raising committee says Guilfoyle is asymptomatic and was immediately isolated to limit any exposure and as a precaution will cancel all upcoming events, adding Donald Trump Jr. Was tested negative, but as a precaution is also self-isolating. And Donald Trump Jr. And Kimberly Guilfoyle will be driving back to the east coast from South Dakota, we are told. Neither have been in close or direct contact with the president, but this comes as a wave of trump campaign staffers and secret service agents have tested positive for the virus following that rally in Tulsa. Whit. Another big day in Washington. Rachel Scott for us, thank you.
This transcript has been automatically generated and may not be 100% accurate.