KJV: 54 And when his disciples James and John saw this, they said, Lord, wilt thou that we command fire to come down from heaven, and consume them, even as Elias did? 55 But he turned, and rebuked them, and said, Ye know not what manner of spirit ye are of. 56 For the Son of man is not come to destroy men's lives, but to save them. And they went to another village.
NIV: 54 When the disciples James and John saw this, they asked, “Lord, do you want us to call fire down from heaven to destroy them?” 55 But Jesus turned and rebuked them. 56 Then he and his disciples went to another village.
ESV: 54 And when his disciples James and John saw it, they said, “Lord, do you want us to tell fire to come down from heaven and consume them?” 55 But he turned and rebuked them. 56 And they went on to another village.
CSB: 54 When the disciples James and John saw this, they said, “Lord, do you want us to call down fire from heaven to consume them?” 55 But he turned and rebuked them, 56 and they went to another village.
External evidence
The manuscript evidence is so weak that the variant is not even listed in NA.
UBS gives the omission of the words an A rating.