Disrupting fog likely to return for a third day, say forecasters

The extreme weather conditions - which caused 10% of flights from Heathrow to be cancelled on Monday - are expected to clear by Tuesday afternoon

Forecasters have warned that the thick fog which has been causing disruption at UK airports is likely to return for a third day on Tuesday.

A total of 129 flights - equivalent to 10% of departures - were cancelled at Heathrow airport on Monday due to air traffic restrictions caused by low visibility.