Acts 19:36-41 NIV

36 Therefore, since these facts are undeniable, you ought to calm down and not do anything rash.
37 You have brought these men here, though they have neither robbed temples nor blasphemed our goddess.

References for Acts 19:37

38 If, then, Demetrius and his fellow craftsmen have a grievance against anybody, the courts are open and there are proconsuls. They can press charges.

References for Acts 19:38

39 If there is anything further you want to bring up, it must be settled in a legal assembly.
40 As it is, we are in danger of being charged with rioting because of what happened today. In that case we would not be able to account for this commotion, since there is no reason for it.”
41 After he had said this, he dismissed the assembly.