Trump-Biden transition updates: At least 20 arrested, 1 stabbed at DC protests

After a week of Trump campaign staffers answering a "voter fraud" hotline as Trump's team continues to search for evidence of voter fraud, the number is no longer operational, and the campaign is now directing people to its online form instead, multiple sources tell ABC News.

As ABC News reported, that hotline was getting flooded with prank calls, and lewd images were being sent through the online form set up to collect voter fraud claims.

The news comes as the Trump campaign is significantly downsizing staff starting next week with only a small number of staffers receiving an extension through the end of the month, multiple sources said.

-ABC News' Will Steakin and Katherine Faulders

As the balance of power in the Senate -- and Biden's subsequent ability to pass the big-ticket legislation he's hoping for -- hangs on two election runoffs in Georgia, Republicans are rallying to "Defend the Majority” as Democrats see promise in the purple state.

On Friday, Florida Sen. Rick Scott, a Republican and vocal ally of Trump’s, is joining GOP incumbent Sens. David Perdue and Kelly Loeffler for an afternoon rally in Cumming, Georgia. Earlier in the week, Republican Sen. Marco Rubio of Florida joined Loeffler to kick off her runoff campaign at an indoor rally.

Loeffler is facing a challenge from Rev. Raphael Warnock, senior pastor at the historic Ebenezer Baptist Church in Atlanta, while Purdue is facing Jon Ossoff, who nearly flipped Georgia’s 6th Congressional District for Democrats in a special election in 2017. 

The runoff elections will be held on Jan. 5.

Biden issued a statement Friday morning remembering the five-year anniversary of the ISIS terrorist attacks in Paris and pledging to restore and improve cooperation with allies as president.

“This was an assault not just on the people of Paris but against our common humanity and shared values,” Biden wrote. “My administration will work steadfastly to protect the safety and security of Americans and our allies and partners, countering terrorism and extremist violence in all of its forms -- no matter the ideology or origin.”

While Trump has taken an isolationist approach to foreign policy, pushing the slogan, "America First," Biden ran -- and won -- on a platform of restoring relationships with foreign allies. 

-ABC News’ Molly Nagle

Amid heavy criticism that Trump has demonstrated little to no evidence that he is engaged in leading on the coronavirus pandemic in the post-election season, and as cases continue to rise, his public schedule for Friday shows he’s slated to receive an update on Operation Warp Speed, his administration’s plan for a coronavirus vaccine.

The meeting comes in the same week the drug company Pfizer said that its COVID-19 vaccine may be 90% effective. Trump questioned the timing of Pfizer’s announcement earlier in the week, saying it didn’t “have the courage” to announce a vaccine before the election.

Trump last addressed reporters eight days ago -- the longest stretch of silence in his presidency --as he meets with advisers behind closed doors to discuss his options forward. 

Biden, meanwhile, strengthened his Electoral College margin over Trump overnight, taking Arizona's 11 electoral votes and raising his total to 290 votes to Trump’s 217.

On Friday, Biden is in Rehoboth Beach, Delaware, continuing to meet with transition advisers.

-ABC News' Jordyn Phelps