Acts 12:3 in the King James Version
And because he saw it pleased the Jews, he proceeded further to take Peter also. (Then were the days of unleavened bread.)
Context
2 He killed James, the brother of John, with the sword.
3 When he saw that it pleased the Jews, he proceeded to seize Peter also. This was during the days of unleavened bread.
4 When he had arrested him, he put him in prison and delivered him to four squads of four soldiers each to guard him, intending to bring him out to the people after the Passover.