And that is just what I did in Jerusalem. On the authority of the chief priests I put many of the Lord's people in prison, and when they were put to death, I cast my vote against them.
NIV
And that is what I did in Jerusalem; I [not only] locked up many of the [faithful] saints (holy ones) in prison by virtue of authority received from the chief priests, but when they were being condemned to death, I cast my vote against them.
AMP
Which thing I also did in Jerusalem: and many of the saints did I shut up in prison, having received authority from the chief priests; and when they were put to death, I gave my voice against them.
KJV