On 3 January Solchaga attacked Les Borges Blanques, Muñoz Grandes and Garcia Valiño occupied Artesa, and Yagüe crossed the Ebro. Moscardo attacked from Lleida and the Italians occupied Les Borges Blanques on 5 January. The same day, the Republican army started a surprise attack in Extremadura towards Peñarroya in order to divert Nationalist forces, but the offensive was halted after a few days and the Nationalist offensive in Catalonia continued. On 9 January the Moscardo's Aragon Army Corps joined Gambara at Mollerusa and broke the northern part of the front. The V and XV Republican Corps collapsed and retreated in disorder. On 15 January the Aragon and Maestrazgo Corps conquered Cervera and the Moroccan Corps after a one-day march of 50 km occupied Tarragona. By this day, the Nationalists had conquered a third of Catalonia, had taken 23,000 prisoners, and had killed 5,000 Republican soldiers.