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.

In his first post on social media since his arraignment, former President Donald Trump called the hearing "shocking" that there were "no surprises" and "no case."

Trump also promoted his upcoming speech tonight at Mar-a-Lago on his social media platform.

"Just lifted off for Palm Beach, Florida. Will be delivering remarks tonight at Mar-a-Lago at 8:15 P.M., EASTERN. The hearing was shocking to many in that they had no 'surprises,' and therefore, no case. Virtually every legal pundit has said that there is no case here. There was nothing done illegally!" Trump wrote.

-ABC News' Will Steakin