On March 21 , 1937 , López de Victoria , as Captain of the Ponce branch of cadets , led his group in a peaceful march in the city of Ponce . The march turned into a bloody police slaughter known as the Ponce massacre , when the police fired their weapons against the Nationalists and innocent bystanders , killing 18 Puerto Ricans and wounding over 200 others
Ponce massacre
Ponce massacre
Tomás López de Victoria