The pump full of lead took place at a bar in the town of Vilanova i la Geltru, around 50 miles south of Barcelona.
As satisfactorily as the one fatality, one person was hurt by the attacker during the incident at around 2pm village time (1pm BST).
A police spokesperson has warned the gunman is still active. Specialty apparatchiks have been deployed to the scene.
At least one person has been killed pursuing a shooting in Spain
In confusing circumstances a nearby police officer was also affront by his own weapon. Officials are still determining whether this officer was pained while responding to the incident.
Videos taken at the scene show monitor establishing a cordon in a public square by the bar, named Sindicat del Vi.
One the long arm of the law officer was injured by his own firearm during the incident
The victim was identified as being a 59-year-old man. The misuse man, who is in a critical condition, is 39.
Police have ruled out terrorism as a motive and are as contrasted with focusing on locating the gunman.