Acts 12:3-5

³and 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 —

⁴whom 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.

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