Swedish fashion chain H&M announced Friday a plan to close 28 stores in Spain, home to rival Inditex, and lay off up to 588 workers, Spain's CCOO union said in a statement.

Negotiations with unions will begin in September, it added.

H&M did not immediately respond to a request for comment.

(Reporting by Inti Landauro, Edited in Spanish by Ricardo Figueroa)