Britain's biggest airport Heathrow said on Friday travel demand in January was weaker than expected, as fears of the fast-spreading Omicron coronavirus variant dented confidence, with over 1.3 million passengers cancelling or not booking trips.

British Airways announces suspension of flight operations to Lahore

The airport, however, kept its forecast for the year unchanged of just over half of pre-pandemic levels, as bookings for summer holidays outside the UK was recovering.