Strikes by security guards at Heathrow Airport will go ahead on Friday after last-ditch talks failed to resolve a pay dispute, with action likely to disrupt school holiday travel.Around 1,400 members of Unite will walk out for 10 days, including most of the Easter weekend.

Strikes by security guards at Heathrow Airport will go ahead on Friday after last-ditch talks failed to resolve a pay dispute, with action likely to disrupt school holiday travel.Around 1,400 members of Unite will walk out for 10 days, including most of the Easter weekend.