2 Kings 10:2

Now as soon as this letter cometh to you, seeing your master’s sons are with you, and there are with you chariots and horses, a fenced city also, and armour;

This verse stands within the history of Jehu's campaign against the house of Ahab. It comes at the point where Jehu was pressing forward with his appointed work of judgment upon that house. In that campaign he was fulfilling his commission to destroy the house of Ahab root and branch. Those who survived yet persisted in its evil were put to death, so that the corrupt dynasty was brought to its fall.