1st Samuel 13:8

5 And the Philistines assembled themselves together to fight with Israel, thirty thousand chariots, and six thousand horsemen, and people as the sand which is on the sea-shore in multitude: and they came up, and encamped in Michmash, eastward of Beth-aven.

6 When the men of Israel saw that they were in a strait (for the people were distressed), then the people did hide themselves in caves, and in thickets, and in rocks, and in coverts, and in pits.

7 Now some of the Hebrews had gone over the Jordan to the land of Gad and Gilead; but as for Saul, he was yet in Gilgal, and all the people followed him trembling.

8 And he tarried seven days, according to the set time that Samuel [had appointed]: but Samuel came not to Gilgal; and the people were scattered from him.

9 And Saul said, Bring hither the burnt-offering to me, and the peace-offerings. And he offered the burnt-offering.

10 And it came to pass that, as soon as he had made an end of offering the burnt-offering, behold, Samuel came; and Saul went out to meet him, that he might salute him.

11 And Samuel said, What hast thou done? And Saul said, Because I saw that the people were scattered from me, and that thou camest not within the days appointed, and that the Philistines assembled themselves together at Michmash;