Acts 21:31-32

21:31 While they were trying to kill him, a report was sent up to the commanding officer of the cohort that all Jerusalem was in confusion. 21:32 He immediately took soldiers and centurions and ran down to the crowd. When they saw the commanding officer and the soldiers, they stopped beating Paul.

Acts 23:10

23:10 When the argument became so great the commanding officer feared that they would tear Paul to pieces, he ordered the detachment to go down, take him away from them by force, and bring him into the barracks.

Acts 23:27

23:27 This man was seized by the Jews and they were about to kill him, when I came up with the detachment and rescued him, because I had learned that he was a Roman citizen.