Judges 9:50-53

50Then Abimelech went to Thebez, encamped against it, and captured it. 51But there was a strong tower inside the city, and all the men, women, and leaders of the city fled there. They locked themselves in and went up to the roof of the tower.

52When Abimelech came to attack the tower, he approached its entrance to set it on fire. 53But a woman dropped an upper millstone on Abimelech’s head, crushing his skull.