Security video captured a robber violently beating a man to steal his Rolex watch in downtown Los Angeles.

The incident happened on April 28 as the suspect followed the victim into a building on the 800 block of West 1st Street.

The suspect was identified as Pablo Garcia, 25, according to the Los Angeles Police Department.

Video shows the victim entering the lobby of a building and approaching an elevator door. Garcia, who is wearing a black and white hoodie, is seen following closely behind.

As the victim faces the elevator doors, Garcia grabs the man’s Rolex watch on his wrist. As the victim turns around, Garcia punches him in the face, knocking him to the ground.

The victim’s sunglasses and possibly his wallet are seen flying across the lobby floor. Garcia struggles to remove the watch from the man’s wrist. As the victim tries to sit up, the suspect repeatedly punches him in the head and face, eventually knocking him unconscious, police said.