2 Kings 3:22
3:22 When they got up early the next morning, the sun was shining on the water. To the Moabites, who were some distance away, the water looked red like blood.
2 Kings 9:33
9:33 He said, “Throw her down!” So they threw her down, and when she hit the ground, her blood splattered against the wall and the horses, and Jehu drove his chariot over her.
2 Kings 21:16
21:16 Furthermore Manasseh killed so many innocent people, he stained Jerusalem with their blood from end to end, in addition to encouraging Judah to sin by doing evil in the sight of the Lord.