KJV:
And Saul sent messengers to take David: and when they saw the company of the prophets prophesying, and Samuel standing as appointed over them, the Spirit of God was upon the messengers of Saul, and they also prophesied.
NASB:
Then Saul sent messengers to take David, but when they saw the company of the prophets prophesying, with Samuel standing and presiding over them, the Spirit of God came upon the messengers of Saul; and they also prophesied.