1 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
10:7And when all the men of Israel that were in the valley saw that they fled, and that Saul and his sons were dead, they forsook their cities and fled; and the Philistines came and dwelt in them.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.