Therefore the LORD his God handed him over to the king of Aram.1 The Arameans defeated him and took many of his people as prisoners and brought them to Damascus. He was also given into the hands of the king of Israel, who inflicted heavy casualties on him.
References for 2 Chronicles 28:5
In one day Pekah2 son of Remaliah killed a hundred and twenty thousand soldiers in Judah3--because Judah had forsaken the LORD, the God of their fathers.
References for 2 Chronicles 28:6
Zicri, an Ephraimite warrior, killed Maaseiah the king's son, Azrikam the officer in charge of the palace, and Elkanah, second to the king.
The Israelites took captive from their kinsmen4 two hundred thousand wives, sons and daughters. They also took a great deal of plunder, which they carried back to Samaria.5
References for 2 Chronicles 28:8
But a prophet of the LORD named Oded was there, and he went out to meet the army when it returned to Samaria. He said to them, "Because the LORD, the God of your fathers, was angry6 with Judah, he gave them into your hand. But you have slaughtered them in a rage that reaches to heaven.7
References for 2 Chronicles 28:9