Acts 4:17-18

4:17 But to keep this matter from spreading any further among the people, let us warn them to speak no more to anyone in this name.” 4:18 And they called them in and ordered them not to speak or teach at all in the name of Jesus.

Acts 4:21

4:21 After threatening them further, they released them, for they could not find how to punish them on account of the people, because they were all praising God for what had happened.