"Our hearts go out to the victims of the violence today, and we redouble our commitment to combat hate", said Kristen Clarke, president and executive director of The Lawyers' Committee.
Witnesses say a auto plowed into a crowd of people who were protesting the rally, which was held by white nationalists who oppose the removal of a statue of Confederate Gen. Robert E. Lee by the city of Charlottesville.
A vehicle drives into a group of protesters demonstrating against a white nationalist rally in Charlottesville.
"Mr. President, do you want the support of these white nationalist groups who say they support you, Mr. President?"
The clashes highlight how the white supremacist movement has resurfaced under the "alt-right" banner after years in the shadows of mainstream American politics.
President Trump condemned the violence in a news conference Saturday afternoon.
A 32-year-old woman was killed and at least nine others injured when a auto barreled down a street crowded with pedestrians. Earlier, a video taken from a nearby golf course showed black smoke rising from the area.
Hatch's 20-year-old brother was killed in World War II when his B-24 bomber went down over Austria, another tweet clarified.
The violence that broke out during a demonstration in Virginia has been building for months during a series of confrontations between white nationalists and people who oppose them.
- "As @POTUS Trump said, "We have to come together as Americans with love for our nation".
With someone dead and more than two dozen people injured, this is, of course, not the time for assigning blame. - Charlottesville Mayor Michael Signer, a Democrat. "Have you denounced them strongly enough", one reporter shouted. He also said "there is no place for this kind of violence in America". Police report that three people were arrested in relation to the rally. Police have not offered any details on the auto incident.
At least nineteen others were hurt - suffering minor to life-threatening injuries, authorities said Saturday.
"I started to cry. I couldn't talk for awhile", he said. "It was just hard to watch, hard to see".
Police has been engaged in dispersing the crowds after fistfights and screaming matches erupted in several locations late Saturday morning and the Governor declared the gathering an "unlawful assembly", CNN reported.
More solidarity protests against the violence in Charlotteville are planned for Sunday in Washington State and Maryland.
The first official statement on Charlottesville came out of the East Wing of the White House, however. But there are other things in Trump's statement that are also worth calling out - most notably "not Donald Trump, not Barack Obama".
Two people were aboard the aircraft, according to the FAA.