Heathrow axed more than 80 flights and there was also disruption to services from Southend and Southampton - where delays were reported from the Channel Islands. It's the second day of flight disruption at some airports, following delays and cancellations yesterday due to strikes across Europe.
British Airways says "We apologise to customers for the inconvenience and thank them for their understanding."
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Monday afternoon's weather for the east of the region
Monday afternoon's weather for the west of the region
Monday's weather for the east of the region