Acts 12:18-19

18When morning arrived, there was a lot of trouble at the prison. The soldiers did not understand what had happened to Peter.

19When Herod knew about it, he said to the soldiers, ‘Go and look for Peter!’ But they could not find him anywhere. Herod then asked the soldiers who guarded the prison some questions. They could not explain what had happened. So Herod commanded other soldiers to cut off their heads. After this happened, Herod left Judea. He went to Caesarea and he stayed there for some time.