Wednesday evening, former House Speaker Newt Gingrich endorsed Donald Trump in a Facebook post.

"Tonight I officially endorsed Donald J. Trump for president. I am going to work very hard for the Republican nominee and hope you will join me in supporting him."

“I endorse Donald J. Trump. I’m going to work very hard for the Republican nominee.” – Newt Gingrich

Posted by Fox News on Wednesday, May 11, 2016

The post included video of an interview with Fox News' Sean Hannity.

Gingrich has shown interest in the possibility of serving as Trump's running mate, according to Reuters.

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Prosecutor Skandalakis has previously suggested that pursuing criminal charges against President Donald Trump may not be feasible until after he leaves office in 2029. (Craig Hudson/Politico/Bloomberg via Getty Images)

Credit: Bloomberg via Getty Images