An assault by 7,500 Landsknechts in the Codalunga sector of the walls ( the one that was most bombarded Attack during the siege ) was repulsed Defending by mercenary commander Citolo da Perugia , whose mines killed Killing 300 attackers and injured Bodily_harm 400 others .

The army held Hold Rome for a brief time , but was then forced Control to retreat to the city of Perusia ( modern Perugia , Italy ) .