So the king of Assyria responded to him, marched up to Damascus, and captured it. He took its people to Kir as captives and put Rezin to death.
Here is, 1. The attempt of his confederate neighbours, the kings of Syria and Israel, upon him. They thought to make themselves masters of Jerusalem, and to set a king of their own in it, Isa 7:6. In this they fell short, but the king of Syria recovered Elath, a considerable port upon the Red Sea, which Amaziah had taken from the Syrians, Kg2 14:22.
Commenting on 2 Kings 16:5-9
And King Ahaz went to Damascus to meet Tiglathpileser king of Assyria,.... When he heard he was come thither, and had taken it, to congratulate him on the victory, and to give him thanks for his assistance; which place from Jerusalem was one hundred and sixty miles, according to Bunting (q).
The king of Assyria hearkened unto him - It is said, Ch2 28:20, that Tilgath-pilneser distressed him, but strengthened him not. Though he came against the Syrians, and took Damascus, and slew Rezin, yet he did not help Ahaz against the Philistines, nor did he lend him any forces to assist against Israel; and he distressed him by taking the royal treasures, and the treasures...