King James Version
When the king of Babylon's army fought against Jerusalem, and against all the cities of Judah that were left, against Lachish, and against Azekah: for these defenced cities remained of the cities of Judah.English Standard Version
when the army of the king of Babylon was fighting against Jerusalem and against all the cities of Judah that were left, Lachish and Azekah, for these were the only fortified cities of Judah that remained.New International Version
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.