Acts 16:22-23
16:22 The crowd joined the attack against them, and the magistrates tore the clothes off Paul and Silas and ordered them to be beaten with rods.
16:23 After they had beaten them severely, they threw them into prison and commanded the jailer to guard them securely.
Acts 16:37
16:37 But Paul said to the police officers, “They had us beaten in public without a proper trial – even though we are Roman citizens – and they threw us in prison. And now they want to send us away secretly? Absolutely not! They themselves must come and escort us out!”