Acts 16:38
"And the serjeants told these words unto the magistrates: and they feared, when they heard that they were Romans."
Cross References (ranked by relevance)
Acts 22:29
Then straightway they departed from him which should have examined him: and the chief captain also was afraid, after he knew that he was a Roman, and because he had bound him.
Matthew 14:5
And when he would have put him to death, he feared the multitude, because they counted him as a prophet.
Matthew 21:46
But when they sought to lay hands on him, they feared the multitude, because they took him for a prophet.