Acts 17:5, 13

But the Jews, becoming jealous and taking along some wicked men from the market place, formed a mob and set the city in an uproar; and attacking the house of Jason, they were seeking to bring them out to the people.

But when the Jews of Thessalonica found out that the word of God had been proclaimed by Paul in Berea also, they came there as well, agitating and stirring up the crowds.