in the pre-dawn hours of october 29, the insular police surrounded the house of the mother of melitón muñiz santos, president of the peñuelas nationalist party, in barrio macaná, where they were storing weapons for the nationalist revolt. without warning, the police fired on the house and a gunfight ensued. two nationalists were killed and six police officers were wounded. nationalists melitón muñoz santos, roberto jaume rodríguez, estanislao lugo santiago, marcelino turell, william gutierrez and marcelino berríos were arrested and accused of participating in an ambush against the local insular police.