2 Samuel 18:24
And David sat between the two gates: and the watchman went up to the roof over the gate unto the wall, and lifted up his eyes, and looked, and behold a man running alone.
Cross-reference
In 2 Samuel 18:4, David agrees to stay at the gate; here he is sitting there. Direct narrative continuation.
2 Samuel 19:8 follows the watchman's report: David sits at the gate as the people gather—a direct narrative continuation of the scene.
In 2 Kings 9:17-20, a watchman on the tower reports approaching runners to the king, very similar to this scene.
Ezekiel 33:2-7 defines the watchman's duty to warn—a direct parallel to the watchman in Samuel who reports what he sees from the wall.
In 1 Samuel 4:13, Eli watches by the road for news from battle, similar to David's watchman here.
In Isaiah 21:6-9, the watchman sees a runner and reports the fall of Babylon — parallel watchman scene.
In Jeremiah 48:19, inhabitants are told to watch and ask fleeing people for news, similar to the watchman in Samuel who sees a runner and reports.
Habakkuk 2:1 describes the prophet taking a watchpost to hear God, paralleling the literal watchman in Samuel on the roof looking for news.