American Standard Version (ASV):
But when the cloud began to arise up out of the city in a pillar of smoke, the Benjamites looked behind them; and, behold, the whole of the city went up [in smoke] to heaven.
King James Version (KJV):
But when the flame began to arise up out of the city with a pillar of smoke, the Benjamites looked behind them, and, behold, the flame of the city ascended up to heaven.