2 Kings 18:8
He smote the Philistines, even unto Gaza, and the borders thereof, from the tower of the watchmen to the fenced city.
Cross-reference
2 Chronicles 28:18
Contrast
In 2 Chronicles 28:18, Philistines raided Judah under Ahaz, contrasting with Hezekiah's successful strikes against them here.
Isaiah 14:29
Allusion
Isaiah 14:29 warns Philistia not to rejoice, likely alluding to Hezekiah's campaign that struck them.