WaPo:

As Floridians rush to vote in the presidential election, mail ballots from Black, Hispanic and younger voters are being flagged for problems at a higher rate than they are for other voters, potentially jeopardizing their participation in the race for the country’s largest battleground state.Follow the latest on Election 2020

The deficient ballots — which have been tagged for issues such as a missing signature — could be rejected if voters do not remedy the problems by 5 p.m. Nov. 5.

As of Friday, election officials had set aside ballots from Black and Hispanic voters at two times the rate of ballots from White voters, according to an analysis by University of Florida political science professor Daniel Smith. For people younger than 24, the rate was more than four times what it was for those 65 and older.