Acts 12:1-6

1 And about that time, Herod the king put forth his hands, to do evil to certain of those of the assembly,

2 and he killed James, the brother of John, with the sword,

3 and having seen that it is pleasing to the Jews, he added to lay hold of Peter also -- and they were the days of the unleavened food --

4 whom also having seized, he did put in prison, having delivered [him] to four quaternions of soldiers to guard him, intending after the passover to bring him forth to the people.

5 Peter, therefore, indeed, was kept in the prison, and fervent prayer was being made by the assembly unto God for him,

6 and when Herod was about to bring him forth, the same night was Peter sleeping between two soldiers, having been bound with two chains, guards also before the door were keeping the prison,