Acts 8:1-4

Now Saul approved of putting Stephen to death. And on that day a great persecution began against the church in Jerusalem, and they were all scattered throughout the regions of Judea and Samaria, except for the apostles.

Some devout men buried Stephen, and mourned loudly for him.

But Saul began ravaging the church, entering house after house; and he would drag away men and women and put them in prison. Philip in Samaria

Therefore, those who had been scattered went through places preaching the word.