Alec Baldwin has been arrested in New York today, May 13, In Touch Weekly has exclusively learned.

In Touch has obtained photos showing the 30 Rock actor being handcuffed by a NYC police officer.

According to an insider, "he was riding his bike the wrong way and didn't have ID on him."

At this time, there are no additional details.

Alec Baldwin Arrest

An eyewitness tells the mag the 56-year-old was "calm and quiet" while he was cuffed and put in the back of the police car, though another onlooker said he "went ballistic on the cops, screaming at them" earlier during the altercation.

"The incident just happened, we are waiting for details at this time," a source with the NYPD tells In Touch.

This story is still developing.