When he returned, he could not secure a job as he found himself on the employer's black list, so he moved to La Felguera where he taught in a rationalist school.

[1] When the Spanish coup of July 1936 took place, he was one of the organizers of the Provincial Committee of the Popular Front of Asturias and represented the CNT in the Gijón Defense Council.

When Franco's troops entered Gijón in October 1937 he fled to Barcelona, where he remained until February 1938, when he was appointed special delegate of the General Council of International Anti-Fascist Solidarity and moved to the United States to raise aid for the Republican cause.

After being received by the Republican Ambassador Fernando de los Ríos Urruti in Washington DC, he organized several rallies in New York City.

[1][3] He died in a car accident in Virginia on 27 March 1938, while he was traveling to California to take part in a series of propaganda actions in favor of republican Spain.