2 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
10:8And a messenger came and told him saying, They have brought the heads of the king's sons. And he said, Lay them in two heaps at the entrance of the gate until the morning.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.