Former President Donald Trump has been processed as a criminal defendant, including having his fingerprints taken.

-ABC News' Katherine Faulders and John Santucci

Former President Donald Trump posted on his social media platform Truth Social while on his way to the Manhattan courthouse, saying that it "seems so SURREAL."

"WOW, they are going to ARREST ME," he wrote. "Can't believe this is happening in America. MAGA!"

-ABC News' Will Steakin

Former President Donald Trump has surrendered at court in lower Manhattan for arraignment on criminal charges.

He traveled in a black SUV with his Secret Service detail. His two lawyers, Todd Blanche and Susan Necheles, were in another SUV.

The motorcade passed a man holding a sign reading, "No one is above the law."

Although the document remains sealed, sources familiar told ABC News that Trump has been charged with around two dozen counts, including felonies.

Still cameras will be permitted inside the courtroom to take photos before the hearing begins, but Judge Juan Merchan has barred video cameras from the proceedings.

Manhattan District Attorney Alvin Bragg is expected to address the media after Trump's arraignment.

Former President Donald Trump has left Trump Tower and is now in a motorcade to a lower Manhattan courthouse to be arraigned.

Donald Trump's plane left New York Tuesday afternoon to head back to Florida where the former president is expected to address the public from Mar-a-Lago Tuesday night.