1 Samuel 10:11

10:11 When everyone who had known him previously saw him prophesying with the prophets, the people all asked one another, “What on earth has happened to the son of Kish? Does even Saul belong with the prophets?”

1 Samuel 19:20

19:20 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.