Plainclothes investigators looked for evidence at the scene as state, local and federal investigators divided up leads.
A bottle filled with flammable liquid was thrown through the window of the Orange County Republican Party headquarters overnight, according to a news release from the town of Hillsborough.
WJTV reached out to the state Republican Party, so far, they've not responded.
"And I can't help but feel that had this been the other way around - had it been an attack in this county on the other political party's county headquarters - that the level of national media coverage and the discussion would be significantly different, and I think most of the American people know that", he said. - Hillary Clinton (@HillaryClinton) October 16, 2016READ MORE: Republican office firebombed, Trump blames "animals representing Hillary Clinton" Trump blamed his Democratic opponent's supporters for the crime.Animals representing Hillary Clinton and Dems in North Carolina just firebombed our office in Orange County because we are winning @NCGOP- Donald J. Trump (@realDonaldTrump) October 16, 2016ALL SAFE IN ORANGE COUNTY, NORTH CAROLINA.
"It's a great gesture". He urged anyone who might have information about who was responsible to come forward.
Pence urged voters to help provide accountability at polling places when Americans turn out for the November 8 election.
While polls have continually shown Trump trailing Clinton in MI, they also show the wealthy NY businessman leading the former First Lady in Macomb County, which gained national recognition in the 1980s as the home to Reagan Democrats, the name given to blue collar traditional Democrats who crossed over to vote for the former Republican president in 1980 and 1984.
State GOP executive director Dallas Woodhouse called the fire "political terrorism" and said Republican offices around the state were re-examining their security.
"It is a miracle that nobody was killed", he said in an interview.
The Associated Press reported that the walls of the multi-room office were covered in black char and a couch was burned down to its springs. Registered Democrats outnumber Republicans 3-1 in the county.
The police chief in a North Carolina town where a fire was set at the county Republican Party headquarters said Monday that he had no new developments to report. "We have staff and we have volunteers who work in that office..." He grew up in the area and described the town as a "melting pot" for all political views.
"They brought attention to us, and so maybe they didn't realize they're going to not only try and suppress us, but actually it's going to highlight us all across the nation".