Acts 16:22-26

The judges went along with the mob, had Paul and Silas’s clothes ripped off and ordered a public beating. After beating them black-and-blue, they threw them into jail, telling the jailkeeper to put them under heavy guard so there would be no chance of escape. He did just that—threw them into the maximum security cell in the jail and clamped leg irons on them. Along about midnight, Paul and Silas were at prayer and singing a robust hymn to God. The other prisoners couldn’t believe their ears. Then, without warning, a huge earthquake! The jailhouse tottered, every door flew open, all the prisoners were loose.