Strikes will take place on August 24, 25, 30 and 31 and were called after negotiations with the airline broke down, the union added.

Iberia’s ground crew walked out in similar action in July after announcing a strike earlier that month.

Barcelona’s El Prat is Spain’s second largest airport after Madrid Barajas and handles increased traffic in summer during the peak tourist season.

(Reporting by Sam Edwards; Editing by Jose Elias Rodriguez)