Judges 9:51

Overview - Judges 9
1	Abimelech by conspiracy with the Shechemites, and murder of his brethren, is made king.
7	Jotham by a parable rebukes them, and foretells their ruin.
22	Gaal conspires with the Shechemites against him.
30	Zebul reveals it.
34	Abimelech overcomes them, and sows the city with salt.
46	He burns the hold of the god Berith.
50	At Thebez he is slain by a piece of a millstone.
56	Jotham's curse if fulfilled.

Judges 9:51  (King James Version)
But there was a strong tower within the city, and thither fled all the men and women, and all they of the city, and shut it to them, and gat them up to the top of the tower.