A smattering of protests broke out around the country Saturday after former Vice President Joe Biden won the presidency, with President Donald Trump and his supporters refusing to accept defeat and pushing unfounded suspicions that rampant voter fraud was denying him a second term.

A theme quickly emerged among Trump and his allies: They're suspicious that the system was rigged and they're unwilling to accept the results even without any specific evidence of fraud.

Outside the state capitol building in the long-held Republican stronghold of Georgia, chants of “lock him up” rang out among estimated 1,000 Trump supporters. Others chanted “This isn’t over! This isn’t over!” and “Fake news!” The streets outside the capitol were awash with American flags and Trump flags.

No violence was reported, although at one point, police moved to separate Trump opponents from his supporters. Georgia, which hasn't gone for a Democrat since 1992, was on the cusp of swinging into Biden's corner. While a key battleground state, Biden was pushed over into the win column with projected results from Pennsylvania and Nevada to secure enough electoral votes to become the nation's 46th president.

Jordan Kelley, a 29-year-old from Murfreesboro, Tennessee, drove to 3-plus hours to Atlanta to attend a pro-Trump rally.

“There’s election fraud going on here,” said Kelley, voicing the belief that voters in Georgia, a state led by a Republican governor and with a Republican secretary of state, had been improperly counted to put Biden ahead. “Even though I live in Tennessee, I’m an American and I want to make sure Americans have a voice in the election”

He planned to make the 10-hour trip to Washington, D.C., next week to demonstrate on the steps of the U.S. Supreme Court, where Trump and his lawyers have vowed to eventually make his case.

Since the polls closed on Election Day on Tuesday, Trump supporters — some of them armed — have gathered outside buildings where votes were being tabulated, many carrying Trump flags and signs with the hashtag #stopthesteal.

Shortly after Biden was projected to win the presidential race, some 75 Trump protesters gathered Saturday morning outside the election tabulation center in downtown Phoenix. That crowd swelled to more than 1,000 within hours.

“This election has not been called!” yelled Jake Angeli, a regular at are pro-Trump rallies who typically wears a wooly fur hat with horns. "Don’t believe that lie! They got their hands caught in the cookie jar and we’re going to the Supreme Court!”

“Trump always looks like he’s going to lose. And then he wins, “ Angeli said.

Kelli Ward, former state senator and chairwoman of the Arizona Republican Party, told boisterous pro-Trump demonstrators that she was involved in an effort to force a hand count at least some of ballots to ensure that every single one was counted correctly.

“It’s very suspicious that President Trump, with the red wave we’ve been seeing in Arizona, is struggling,” she said. “I want to know if there is any discrepancy with the numbers coming out of the machines."

Amid the tensions, there was at least one scene that could portend what is to come. In Lansing, Michigan, a group of about 50 Trump supporters and a smaller group of marchers carrying Black Lives Matter flags converged on the Michigan State Capitol where they pushed, shoved and shouted at one another in a tense standoff. But within moments of the race being called, a few from both sides broke into prayers and at least one pair hugged.

Still, tensions flared up again when more Trump supporters arrived on the scene and BLM members retreated through the growing crowd.

As Trump's motorcade made its way through the streets of Washington on his way back to the White House after playing a round of golf in Virginia, protesters booed and shouted expletives. The U.S. Secret Service had closed several streets around the White House ahead of Trump’s return and as the motorcade rolled by, there were shouts of “loser!” that rang out and people waving their middle fingers in the air.

Frank Dobbs, 40, a self-described stay-at-home dad and father of two from Henderson, Nevada, brought a bullhorn and a blue Trump 2020 flag that he wrestled with in a stiff wind during a rally outside the Clark County registrar of voters office in North Las Vegas.

“It’s not over until it’s over. There’s still the courts. If ever there’s ever a time to expose widespread fraud, this is the president to do it,” Dobbs said. “The media doesn’t decide who wins the presidency. The legal voters of this country decide.”

Dobbs said he has been paying attention to court fights in Nevada and other states over legal and illegal votes, mail-in ballots and what he called glitches in voting machines. He expressed concern that it's not possible to prove that someone who voted by mail-in ballot actually signed it and returned it.

“If it’s proven that we lose, if it’s proven in courts, then we lose,” Dobbs said. “We’ll come back in four years.”

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AP journalists Jocelyn Noveck in New York City and Anna Liz Nichols in Lansing, Mich., contributed to this report. Goldman reported from Lansing, Michigan, and Snow contributed from Phoenix, Arizona.