2 Kings 15:16-17

15:16 At that time Menahem came from Tirzah and attacked Tiphsah. He struck down all who lived in the city and the surrounding territory, because they would not surrender. He even ripped open the pregnant women.

Menahem’s Reign over Israel

15:17 In the thirty-ninth year of King Azariah’s reign over Judah, Menahem son of Gadi became king over Israel. He reigned for twelve years in Samaria.