During that period, King Herod started to harass some of the members of the church. He beheaded James the brother of John, and when he saw that this pleased certain of the Jews, he took Peter into custody too. During the feast of Unleavened Bread he had him arrested and thrown into prison, with four squads of soldiers to guard him. Herod intended to bring him before the people after the Passover. Peter was thus detained in prison, while the church prayed fervently to God on his behalf. During the night before Herod was to bring him to trial, Peter was sleeping between two soldiers, fastened with double chains, while guards kept watch at the door. Suddenly an angel of the Lord stood nearby and light shone in the cell. He tapped Peter on the side and woke him. "Hurry, get up!" he said. With that, the chains dropped from Peter's wrists. The angel said, "Put on your belt and your sandals!" This he did. Then the angel told him, "Now put on your cloak and follow me."
Peter followed him out, but with no clear realization that this was taking place through the angel's help. The whole thing seemed to him a mirage. They passed the first guard, then the second, and finally came to the iron gate leading out to the city, which opended for them of itself. They emerged and made their way down a narrow alley, when suddenly the angel left him. Peter had recovered his senses by this time, and said, "Now I know for certain that the Lord has sent his angel to rescue me from Herod's clutches and from all that the Jews hoped for."