Severe thunderstorms in London were causing delays British Airways flights this morning.

Travellers are urged to check the status of their flight from Heathrow and Gatwick.

This follows air traffic control services reducing the number of aircraft able to land at both London airports last night due to the storms.

“This is causing disruption to our flight schedules which may continue into tomorrow morning (Friday),” BA said in an alert last night.

Thunder, lightening and heavy rain hit much of the south-east of England causing flooding across roads and railways, which some stations flooded.

A London Midland train was derailed early this morning near Watford Junction due to a reported landslide triggered by flooding in the area.

This was causing severe disruption to rail services to and from London’s Euston station to the north-west of England, Scotland and the Midlands.