The content originally appeared on: CNN (CNN) - London's Heathrow Airport is facing 'major disruption' as 350 ground handlers are set to begin a three-day strike over pay on Friday, the Unite union said Thursday. The 350 union members, who Unite said were employed by aviation firm Menzies, will begin a 72-hour strike at 4.00 a.m. local time on November 18, according to a press release. The press release said the strike at Britain's busiest airport would 'lead to disruption, […]