Actor Alec Baldwin says he did not pull the trigger in the fatal shooting on the set of Rust.

In a promo for his upcoming interview with ABC, the actor acknowledges that the gun was in his hand when it went off, but he did not elaborate on how the gun discharged.

FOURTH SEARCH WARRANT IN RUST SHOOTING INVESTIGATION REVEALS DETAILS ON GUNS AND AMMO

“The trigger wasn’t pulled. I didn’t pull the trigger,” Baldwin says. “I would never point a gun at anyone and pull the trigger on them — never.”

Baldwin was asked by interviewer George Stephanopoulos why the trigger was pulled when that was not what the script called for.

It is unclear if there is any additional context behind his assertion that he did not pull the trigger.

In the police report on the shooting, one of the officers said Baldwin "fired" the gun. "The main actor who fired the prop gun in this movie is Alec Baldwin," the report said. The report did not further elaborate on how the gun went off.

Baldwin broke down in tears at several points during the promo. He said the shooting is surreal to him and that it is the worst thing that has ever happened to him.

"Even now, I find it hard to believe that. It doesn't seem real to me," he said. "I think back, and I think what could have been done."

Baldwin said he has no idea how a live bullet ended up on set. He said cinematographer Halyna Hutchins, who died in the shooting, was loved and admired by everyone who worked with her.

In a search warrant, the Santa Fe Sheriff's Department sheds some light on how a live round might have ended up on set. Seth Kenney, who owns PDQ Arm & Prop, received live rounds while training actors with live guns on another set.

PDQ supplied the gun and ammunition for the set of Rust. Based on the search warrant, authorities look to be investigating the possibility that the live rounds Kenney received got mixed up with props given to the set of Rust.

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The shooting occurred on Oct. 21. Baldwin was holding a gun that he was told was a "cold gun" but ended up containing live ammunition, according to public documents. The misfire killed Hutchins and injured director Joel Souza.

Baldwin's interview with ABC airs at 8 p.m. Thursday. This is the actor's first sit-down interview since the shooting. Baldwin previously made public remarks on the shooting in late October in front of the press.