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More than 58 million Americans have already voted

U.S. voters have cast 42.7% of the total votes counted in the 2016 election.

Last Updated: October 26, 2020, 11:05 AM EDT

With nine days to go until Election Day, and President Donald Trump and former Vice President Joe Biden racing toward Nov. 3, voters are turning out in record numbers to cast their ballots early.

More than 58 million Americans have already voted in the 2020 election, reflecting an extraordinary level of participation and interest despite unprecedented barriers brought on by the coronavirus pandemic.

In the final weeks of campaigning, the president has continued to press as polls show him trailing nationally and in several battleground states key to his reelection hopes. The president had a campaign rally in New Hampshire Sunday to top off a weekend of events across multiple states, and Biden appeared at a virtual "I Will Vote" concert.

All 50 states plus Washington, D.C., have some form of early voting underway. Check out FiveThirtyEight’s guide to voting during the COVID-19 pandemic here.

Top headlines:

Here's how the news developed Sunday. All times Eastern.
Oct 25, 2020, 4:45 PM EDT

Ballot drop box set on fire in Boston

Boston police are asking for the public's assistance in identifying the individual who set an election ballot drop box on fire in the area of 700 Boylston St. in the city.

The police department released a series of surveillance images and included phone numbers for anyone who can help them identify the individual in a news release.

Firefighters were called to the scene shortly after 4 a.m. on Sunday and found smoke coming from inside the drop box.

Secretary of the Commonwealth William Galvin has asked the FBI to investigate.

The drop box had last been emptied by the Boston Elections Department at 2:29 p.m. on Saturday, Galvin's office said in a statement.

According to the Secretary of the commonwealth's office there were 112 ballots in the dropbox and 87 were able to be processed, the others weren't salvageable and those voters affected will be resent ballots. -ABC News' Luke Barr contributed to this report.

Oct 25, 2020, 3:50 PM EDT

WATCH: Analyzing the election homestretch

New Jersey Governor and ABC News Contributor Chris Christie and former Chicago Mayor and ABC News Contributor Rahm Emanuel discuss the final weeks of the 2020 election on ABC's "This Week" Sunday.

Powerhouse Players Gov. Chris Christie and Mayor Rahm Emanuel discuss the final weeks of the 2020 election on "This Week."
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Chris Christie and Rahm Emanuel discuss the election homestretch

Powerhouse Players Gov. Chris Christie and Mayor Rahm Emanuel discuss the final weeks of the 2020 election on "This Week."
ABCNews.com

Oct 25, 2020, 3:04 PM EDT

Biden's $100 million question

With a steady polling lead, a massive cash advantage and only nine days left to spend it, should Joe Biden go big or should he play it safe, following the hard-learned lessons of 2016?

In the final weeks of the general election, the Biden campaign has kept a steady focus on their six core battleground states of Pennsylvania, Michigan, Wisconsin, Arizona, North Carolina and Florida -- all states Hillary Clinton lost in 2016. That focus is expected to continue as Election Day draws closer.

Biden's campaign is entering the home stretch in a position to spend, compared to President Donald Trump and the Republican Party, which burned through $1.4 billion of the more than $1.6 billion raised over the last two years.

The former vice president's campaign reported having $162 million in cash on hand by mid-October -- nearly four times the $43 million in cash on hand the Trump campaign reported. Overall, Biden and the Democratic party report having $331 million in cash on hand by Oct 14, compared to Trump and the GOP's $223.5 million.

Democratic presidential candidate Joe Biden attends a Drive-In rally at Dallas High School, in Dallas, Pennsylvania, Oct. 24, 2020.
Angela Weiss/AFP via Getty Images

The cash advantage is not lost on Biden's team.

-ABC News' Molly Nagle

Oct 25, 2020, 2:41 PM EDT

Harris continues campaign stops in Michigan

Sen. Kamala Harris was in Detroit at a drive-in church service event in Detroit this morning and just finished speaking with volunteers and organizers at a canvass kickoff event.

Democratic vice presidential nominee Senator Kamala Harris speaks at a campaign stop at Northwest Activities Center, Oct. 25, 2020, in Detroit.
Jeff Kowalsky/AFP via Getty Images

The Democratic vice presidential candidate is next headed to Troy, Michigan, to speak to volunteers and organizers at a canvass kickoff event there. Later she'll participate in a "Vote Now" drive-in rally in Pontiac, Michigan, and will appear in a virtual "I Will Vote" concert with her husband Doug Emhoff.