A Baton Rouge man arrested on domestic abuse battery escaped briefly Sunday night from the back seat of a patrol car with the help of his brother, the East Baton Rouge Parish Sheriff’s Office said.

The incident began when Kelatrell Scott, 31, was sitting with his ex-girlfriend in her car outside Scott’s apartment on Azalea Park Avenue. A witness told a deputy that Scott started punching his ex-girlfriend repeatedly in the face, according to a Sheriff’s Office report.

The woman’s one-year-old daughter was in the car while the attack took place, the report says.

The witness saw the argument escalate and alerted the deputy, who arrested Scott and placed him in the back of a patrol car, according to the report.

But while the deputy was interviewing the witness, Scott’s brother walked up to the side of the patrol car and opened the back door — and Scott, still in handcuffs, and his brother took off running, the report says.

Scott was taken back into custody — but his brother, who was not identified in the report, remained at large.

Scott, of 14130 Azalea Park Ave., Apt. A, Baton Rouge, was booked into Parish Prison on counts of domestic abuse battery with child endangerment, simple escape and resisting an officer.