Acts 12:3

3When he saw that this pleased the Jews,
This could be a reference to the Jewish people (so CEV) or to the Jewish leaders (so NLT). The statement in v. 4 that Herod intended to bring Peter “out to the people” (i.e., for a public trial) may suggest the former is somewhat more likely.
he proceeded to arrest Peter too. (This took place during the feast of Unleavened Bread.)
This is a parenthetical note by the author.
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