Jeremias 34:7

7 while the army of the king of Babylon was fighting against Jerusalem and the other cities of Judah that were still holding out - Lachish and Azekah. These were the only fortified cities left in Judah.

7 When the army of the king of Babylon was fighting against Jerusalem and against all the towns of Judah which had not been taken, against Lachish and against Azekah; for these were the last of the walled towns of Judah.