The effect of this first victory of the invading army was, that the
national insurrection now spread and assumed shape without hindrance
throughout the Celtic territory. The remains of the Roman army of
the Po threw themselves into the fortresses of Placentia and Cremona:
completely cut off from home, they were obliged to procure their
supplies by way of the river.
The consul Tiberius Sempronius only
escaped, as if by miracle, from being taken prisoner, when with a
weak escort of cavalry he went to Rome on account of the elections.
Hannibal, who would not hazard the health of his troops by further
marches at that inclement season, bivouacked for the winter where he
was; and, as a serious attempt on the larger fortresses would have
led to no result, contented himself with annoying the enemy by attacks
on the river port of Placentia and other minor Roman positions.
employed himself mainly in organizing the Gallic insurrection: more
than 60,000 foot soldiers and 4000 horsemen from the Celts are said
to have joined his army.