Matthew 2:3-6
When Herod the king had heard these things, he was troubled and all Jerusalem with him.
Matthew 2:13
And when they were gone back, behold an angel of the Lord appeareth to Joseph in a dream, saying, Arise and take the young child and his mother, and flee into Egypt, and continue there till I shall tell thee; for Herod will seek the young child to destroy him.
Matthew 2:16
Then Herod, seeing that he was deluded by the wise men, was exceeding wroth, and sending forth, slew all the male children that were in Bethlehem, and in all the confines thereof, from two years old and under; according to the time which he had exactly inquired of the wise men.