Jeremiah 39:4

When Zedekiah the king of Judah saw them... — The hasty flight is narrated again in Jeremiah 52:7. The gate between the two walls was one apparently that opened from the park-like garden of the palace, near the pool of Siloah (Nehemiah 3:15); probably identical with the garden of Uzza, which was used as a burial-place for Manasseh and Amon (2 Kings 21:18); and led to the Arabah, the plain (always known by this distinctive name) of the valley of the Jordan (Deuteronomy 1:1; Deuteronomy 3:17; Deuteronomy 4:49; Joshua 12:1, and elsewhere). The “two walls” appear as part of the defence of the city in Isaiah 22:11, and connected Zion with the fortress known as Ophel (2 Chronicles 27:3; 2 Chronicles 33:14).