Donald Trump has said a video he tweeted showing a Mexican migrant smiling and boasting about killing police officers is “tough but correct”.
The US president shared the video ahead of the midterm elections on 6 November.
Both Democrats and Republicans have denounced the video as a racist campaign tactic.
Follow the latest updates below
At a cybersecurity event on Friday morning, Secretary of Homeland Security Kirstjen Nielsen said that the department has seen "continued attempts" to access election-related systems.
The attempts were all “quickly prevented or mitigated," she said, and the few that did succeed to gain access have not been attributed to a foreign country.
Former President Barack Obama is out on the road to support Tallahassee Mayor Andrew Gillum in Miami on Friday afternoon, at a rally also featuring incumbent Senator Bill Nelson, before heading a few hours north to Atlanta to meet up with former state House Minority Leader Stacey Abrams.
The group estimated to number some 4,000 is now heading for the town of Donaji near the Gulf coast state of Veracruz.
After sleeping under tin sheeting to cover himself from the rain, Saul Guzman still had hope.
"I've been through a lot," said the 48-year-old traveling with his son. "I want to spend my time differently, not in poverty."
GOP officials have called Hubbell "Prince Frederick," and Reynolds says it's a fair question whether Hubbell can relate to working Iowans.
Hubbell says Reynolds has targeted his wealth because she doesn't have a strong record to run on.
At least 11 current US governors have millions in personal wealth. In Nebraska, a Democratic challenger, Bob Krist, has made wealth an issue, calling billionaire Republican Gov. Pete Ricketts "Wall Street Pete."
With the election days away, Democrats have cause for optimism. Public and private polling suggest Democrats are poised to capture at least two-thirds of the Obama-Trump districts, according to operatives in both parties who spoke on the condition of anonymity to the Associated Press.
"I can tell you that it's definitely part of a divide-and-conquer strategy that a lot of politicians, including the president, have used successfully in the past," Mr Curbelo. "I hope this doesn't work."
"This is a sickening ad. Republicans everywhere should denounce it," said Republican Senator Jeff Flake of Arizona, a frequent Trump critic.
Horton, who was black, raped a woman while out of prison on a weekend furlough. As Massachusetts governor, Dukakis supported the furlough program
Mr Trump told The Washington Times in an interview that he didn't view it as a "Willie Horton ad at all." The president said it is just an advert about a "bad guy" who twice entered the country illegally and committed crimes.
Democrats and Republicans have denounced the video as a racist campaign tactic.

Outrage as Trump releases 'racist dog-whistle' midterms advert
President seizing on immigration issue days before pollsPlease allow a moment for the live blog to load
