DENVER (KDVR) — Workers at certain Safeway and Albertsons locations will begin striking on Sunday, in protest of what workers say are unfair labor practices, short-staffed stores, and frozen wages.

More than 200 Pueblo and Pueblo West Safeway workers voted May 31 to join a strike effort if labor negotiations, which have been ongoing since October, fail. "I am not sure why Safeway is going down ...