You're reading: Bloomberg: NBCUniversal bars Trump campaign ad on Biden’s ties to Ukraine

NBCUniversal is joining CNN in refusing to air a Donald Trump campaign ad that includes unsubstantiated claims about Joe Biden and Ukraine, according to a person familiar with the matter.

The Comcast Corp. division ran the ad at least twice on its networks, but it wants the Trump campaign to make changes to the commercial before it will air it again, said the person, who asked not to be identified because the decision was private. The ad says that Biden pressured Ukraine to fire its prosecutor investigating his son’s company and says Democrats are trying to overturn the 2016 election.

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