When daylight came, the chief magistrates sent the police to say, "Release those men!"
References for Acts 16:35
The jailer reported these words to Paul: "The magistrates have sent orders for you to be released. So come out now and go in peace."
But Paul said to them, "They beat us in public without a trial, although we are Roman citizens, and threw us in jail. And now are they going to smuggle us out secretly? Certainly not! On the contrary, let them come themselves and escort us out!"
Then the police reported these words to the magistrates. And they were afraid when they heard that Paul and Silas were Roman citizens.
References for Acts 16:38
So they came and apologized to them, and escorting them out, they urged them to leave town.
After leaving the jail, they came to Lydia's house where they saw and encouraged the brothers, and departed.