 Complete the following phrase:  In August and September 1937, Sagardía Ramos took part in the War in the North and participated in the Battle of Santander, at the head of the so-called Sagardía Column; the unit exercised a harsh repression against the civilians and soldiers of the Republican faction, including numerous extrajudicial killings. After the War in the North ended, the Sagardía Column was reorganized as the 62nd Division of the , at the head of which he took part in the Aragon Offensive. In April 1938, Sagardías troops were deployed in the 