DOZENS of workers at Heathrow’s Terminal 5 started to BRAWL just hours after it opened, it emerged last night. More than 30 baggage-handlers at the £4.3billion hub had to be pulled apart by security guards on Thursday. And the farce at the “world class” terminal continued yesterday as 72 more flights were scrapped, the ROOF started to LEAK and passengers JEERED staff. As rain dripped on their heads from a hole in the expensive panelled roof, tourists chanted: “You’re s*** and you know you are” at red-faced BA staff. Passenger Sandra Weber, 27, of Feldberg, Austria, raged: “It’s like being...