They went back to Samaria and shouted up to the guards at the gate, "We've just come from the Syrian army camp, and all the soldiers are gone! The tents are empty, and the horses and donkeys are still tied up. We didn't see or hear anybody."
and for a long time they had been the guards at the King's Gate on the east side of the city. Before that, their ancestors guarded the entrance to the Levite camp.
Solomon then assigned the priests and the Levites their duties at the temple, and he followed the instructions that his father David had given him. Some of the Levites were to lead music and help the priests in their duties, and others were to guard the temple gates