Then Jehu assembled all the people and said to them, "Ahab offered Baal small service; but Jehu will offer much more.
Now therefore summon to me all the prophets of Baal, all his worshipers, and all his priests; let none be missing, for I have a great sacrifice to offer to Baal; whoever is missing shall not live." But Jehu was acting with cunning in order to destroy the worshipers of Baal.
Jehu decreed, "Sanctify a solemn assembly for Baal." So they proclaimed it.
Jehu sent word throughout all Israel; all the worshipers of Baal came, so that there was no one left who did not come. They entered the temple of Baal, until the temple of Baal was filled from wall to wall.
He said to the keeper of the wardrobe, "Bring out the vestments for all the worshipers of Baal." So he brought out the vestments for them.
Then Jehu entered the temple of Baal with Jehonadab son of Rechab; he said to the worshipers of Baal, "Search and see that there is no worshiper of the Lord here among you, but only worshipers of Baal."
Then they proceeded to offer sacrifices and burnt offerings. Now Jehu had stationed eighty men outside, saying, "Whoever allows any of those to escape whom I deliver into your hands shall forfeit his life."
As soon as he had finished presenting the burnt offering, Jehu said to the guards and to the officers, "Come in and kill them; let no one escape." So they put them to the sword. The guards and the officers threw them out, and then went into the citadel of the temple of Baal.
They brought out the pillar that was in the temple of Baal, and burned it.
References for 2 Kings 10:26
Then they demolished the pillar of Baal, and destroyed the temple of Baal, and made it a latrine to this day.
Thus Jehu wiped out Baal from Israel.
But Jehu did not turn aside from the sins of Jeroboam son of Nebat, which he caused Israel to commit—the golden calves that were in Bethel and in Dan.
The Lord said to Jehu, "Because you have done well in carrying out what I consider right, and in accordance with all that was in my heart have dealt with the house of Ahab, your sons of the fourth generation shall sit on the throne of Israel."
But Jehu was not careful to follow the law of the Lord the God of Israel with all his heart; he did not turn from the sins of Jeroboam, which he caused Israel to commit.
In those days the Lord began to trim off parts of Israel. Hazael defeated them throughout the territory of Israel:
from the Jordan eastward, all the land of Gilead, the Gadites, the Reubenites, and the Manassites, from Aroer, which is by the Wadi Arnon, that is, Gilead and Bashan.
Now the rest of the acts of Jehu, all that he did, and all his power, are they not written in the Book of the Annals of the Kings of Israel?
So Jehu slept with his ancestors, and they buried him in Samaria. His son Jehoahaz succeeded him.
The time that Jehu reigned over Israel in Samaria was twenty-eight years.