Thu 09 Sep 2000Dispute disrupts Aer Lingus flightsAll Aer Lingus flights from Dublin Airport were disrupted for 90 minutes yesterday when 1,400 clerical staff ceased work over a rostering dispute involving one employee.The incident comes less than 24 hours after the new chief executive, Mr Michael Foley, admitted that serious industrial relations problems would have to be resolved at the State airline before there could be a public flotation.