In the early spring, Roman invaded the land of Lublin and laid siege to the city. The Polish garrison was successful in defending the city, but the Rus'ian caused great destruction to the local population, as they captured and raped the wives of the knights of Lublin. Leszek then started recruiting a force of knights and peasants from Sandomierz, Kujawy, and Mazovia, which was reinforced with a force of volunteers from Kraków. When Roman learned of the Polish force that was advancing towards him, he raised the siege and advanced deep into Poland by pillaging and threatening with devastation and eradication of the Latin rite. Several bishops and nobles approached Roman and asked for peace, promising to pay compensation; Roman accepted, but continued with the war. He captured some priests and had them shot at with arrows, hoping to have the location of Leszek disclosed. Długosz gives a detailed description of the battle: