he sent messengers to capture him. But when they saw the group of prophets prophesying, with Samuel leading them, the Spirit of God came upon them, and Saul’s messengers also began to prophesy.
Jewish Publication Society of America Version (JPS1917) - 1 Samuel 19:20 >And Saul sent messengers to take David; and when they saw the company of the prophets prophesying, and Samuel standing as head over them, the spirit of God came upon the messengers of Saul, and they also prophesied.