UK holidaymakers have been issued a warning today as a massive strike engulfs 12 Spanish airports, resulting in chaos. The ground staff walkout commences today at 12 Spanish airports, impacting over a million passengers. Travel disruptions and delays are anticipated this Easter. Starting from this Monday, an indefinite strike called by unions representing ground staff at several companies over worker rights and contracts will affect a total of 12 Spanish airports. The strike involves a total of