NET

20 So Saul sent messengers to capture David. When they saw a company of prophets prophesying with Samuel standing there as their leader, the Spirit of God came upon Saul’s messengers, and they also prophesied.

Darby

20 Then Saul sent messengers to take David; and they saw a company of prophets prophesying, and Samuel standing as president over them; and the Spirit of God came upon the messengers of Saul, and they also prophesied.

KJV

20 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.