Pedzisa mutsara unotevera: Musi waApril 27, brigade yakaenda ne213rd, 216th uye 230th battalions kuBizcaya front, ikozvino pasi pekutungamira kwaJoaquín Burgos Riestra. Pakusvika kwayo muVizcaya, yakawedzerwa ku2nd Basque Division, ichiisa mabhatani ayo maviri muAmorebieta uye imwe muMiravalles. Mukati mokurwa kwe
Hondo yeBilbao, musi wa13 Chikumi chikwata ichi chakaparadzwa padyo neanonzi "Belt of Death" - yekupedzisira yemitsara yekudzivirira yaidzivirira Bilbao. Zvisinei, zvisaririra zvaro, zvakakwanisa kubvisa uye gare gare kudzokera kuAsturias.