NET

14 Now King Herod heard this, for Jesus’ name had become known. Some were saying, “John the baptizer has been raised from the dead, and because of this, miraculous powers are at work in him.”

Darby

Recounting the Circumstances Around the Death of John the Baptist

14 And Herod the king heard [of him] (for his name had become public), and said, John the baptist is risen from among [the] dead, and on this account works of power are wrought by^D7006 him.

Darby Bible Notes

by - Or 'display their force in.' see Matt. 14.2; 'fervent,' Jas. 5.16.

KJV

Recounting the Circumstances Around the Death of John the Baptist

14 And king Herod heard [of him]; (for his name was spread abroad:) and he said, That John the Baptist was risen from the dead, and therefore mighty works do shew forth themselves in him.