Sounds of alarm and panic pierce the air as a sudden enemy invasion looms. The prophet delivers a bitter warning about the arrival of the King of Babylon, who is coming to punish the people for their sins, urging them to take immediate defensive action [רד״ק].
The warning unfolds in two distinct phases, moving from the surrounding regions of Judah into the capital city of Jerusalem. First, the message is delivered quietly and privately to the leaders and prominent figures of Judah, often carrying harsh truths or words of wisdom [מצודת דוד, מלבי״ם, חומת אנך]. Following this private briefing, a public and widespread announcement is made to the masses in Jerusalem, shouted openly by a town crier [רד״ק, מלבי״ם, חומת אנך]. The path of this news, traveling from the outer provinces inward to the capital, highlights the sheer suddenness of the attack. In a standard war, the royal city is usually the first to learn of approaching danger [מלבי״ם].
After the verbal warnings, a loud physical alarm is sounded through the blowing of the shofar. This blast serves to warn the inhabitants, urge them into action, and officially declare a state of emergency [רש״י, מצודת דוד, שטיינזלץ]. The people are then ordered to gather together. The primary approach among commentators is that this call is a direct instruction for the masses to assemble [רש״י, מצודת ציון, רד״ק]. However, another perspective interprets this moment as a tense, last-minute shift in strategy. Initially, the shofar called the men to march out and meet the enemy on the battlefield. Yet, an immediate supplementary order canceled the offensive, recognizing that the invading army was simply too powerful, and commanded a rapid retreat instead [מלבי״ם].
Ultimately, the people are told to abandon their open, undefended towns and flee into the fortified cities, including Jerusalem, to seek shelter [מצודת דוד, שטיינזלץ]. Nevertheless, this retreat offers only a temporary reprieve. The hope of finding safety behind thick walls is merely an illusion, as every one of these fortified cities is ultimately destined to fall to the invaders [רד״ק].