– How the New York City truck attack unfolded-

At least eight people were killed Tuesday in what New York officials are calling a terror attack. Here’s what we know about what happened, per the New York Police Department.

According to license plate readers, the suspect exited the bridge into New York City, southbound on the West Side highway.

The truck entered near Houston Street.

The collision halted the vehicle.

Witnesses said the suspect yelled “Allahu Akbar,” law enforcement sources told CNN.

Callers report people down, the school bus crash, and a man with a gun in the street. Bystanders called over nearby officers.

The officer has been identified as Ryan Nash.

After his arrest, the suspect underwent surgery.

He has been identified as Sayfullo Habibullaevic Saipov, a 29-year Uzbek national who came to the United States in 2010.

Law enforcement found a note near the truck claiming the attack was carried out in the name of ISIS, a senior law enforcement official told CNN.

On Wednesday, he was charged with providing material support to ISIS and violence and destruction of motor vehicles.

CORRECTION: This story has been updated to reflect the note claiming the attack was made in the name of ISIS was found near the truck.