Heathrow strike: chaos expected after 177 flights are cancelled

Staff including security officers, firefighters and engineers are due to strike over low pay. Photograph: Kirsty Wigglesworth/APTravellers are facing potential chaos at Britain’s biggest airport as staff including security officers, firefighters and engineers commence a 48-hour strike over low pay.Heathrow, the world’s busiest two-runway airport, cancelled 177 flights that were scheduled for Monday and Tuesday in advance of the planned industrial action, led by the Unite union.Talks