NET
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.
Darby
27 This man, having been taken by the Jews, and being about to be killed by them, I came up with the military and took out [of their hands], having learned that he was a Roman.
KJV
27 This man was taken of the Jews, and should have been killed of them: then came I with an army, and rescued him, having understood that he was a Roman.