1 Samuel 23:26-27

26Then Saul went on one side of the mountain, and David and his men on the other side of the mountain. So David made haste to get away from Saul, for Saul and his men were encircling David and his men to take them.

27But a messenger came to Saul, saying, “Hurry and come, for the Philistines have invaded the land!”