Former President Barack Obama is demanding that a pro-Trump group stop airing a “despicable” ad that uses a recording of Obama’s voice to attack former Vice President Joe Biden — a rare intervention in a race that Obama has largely avoided so far.

“[T]his despicable ad is straight out of the Republican disinformation playbook, and it’s clearly designed to suppress turnout among minority voters in South Carolina by taking President Obama’s voice out of context and twisting his words to mislead viewers,” Katie Hill, Obama’s communications director, told NBC News.

Read the rest of the story at NBC News.