Along with the NBC broadcast network, NBCUniversal allowed the ad to air multiple times on MSNBC before Monday's decision was made.
The 30-second ad used the story of Luis Bracamontes, an undocumented Mexican immigrant convicted of murdering two Sacramento, California, police officers in 2014, to stoke fears about what the migrant caravan could bring to America.
Fox News and Facebook were also running the advertisement, which CNN had earlier rejected on the grounds that it was "racist". Yet that didn't stop NBC, Fox News, and Facebook from running versions of the ad over the weekend.
Fox pulled the ad Sunday "upon further review", said Marianne Gambelli, president of the network's ad sales department.
The ad ran about a dozen times on Fox News and Fox Business, combined, before being pulled.
A source familiar with the matter told CBS News the ad was produced by the Trump campaign, with an ad buy of $1.5 million across TV and digital platforms. Last week, he announced he was sending more than 5,200 troops to the U.S.'s southern border despite the caravan being weeks away and posing no known threat.
The 50-year-old actress, who is very politically active on Twitter, slammed NBC for airing a racist political ad that referred to the Central American migrant caravan ahead of the midterm elections. "We have a lot of ads, and they certainly are effective, based on the numbers that we're seeing". The #FakeNewsMedia and #PaloAltoMafia are trying to control what you see and how you think.
CNN had previously determined that the Trump campaign's advertisement was racist and declined to sell airtime for it. That drew a public rebuke from the president's son, Donald J. Trump Jr. The ad said Trump and his allies will protect the border and urges viewers to "vote Republican". It is akin to blaming Republicans for criminals who entered the country illegally under Presidents Trump or George W. Bush. The ad blames Democratic Party immigration policies for the killings. Users may still share the video on their pages, though. "While the video is allowed to be posted on Facebook, it can not receive paid distribution". This includes dehumanizing or denigrating entire groups of people and using frightening and exaggerated rumors of danger.