Great Northern cancels all trains for Tuesday, July 19 except King's Lynn to Cambridge shuttle and tells passengers to stay at home amid red weather warning

Passengers are being advised to stay at home and not travel as scorching temperatures have forced train companies to cancel services on advice from Network Rail.

Great Northern has cancelled trains from Cambridge into London on Tuesday while a "significantly" reduced service is running today.

A shuttle service is still planned to run between Cambridge and Lynn but will be the only train service operated by Great Northern.

Furtherafield, the East Coast Mainline will be shut for all of Tuesday.

The Met Office forecasts scorching temperatures which will eclipse the highest ever temperature recorded in England - 38.7C , at Cambridge University Botanic Garden on July 25, 2019.

On Tuesday, parts of London are expected to reach 40C. The forecast high for King's Lynn is 38C.

On Tuesday, you cannot travel on Great Northern or Thameslink routes to or from London King's Cross or Moorgate. There will be no trains on these routes for the whole day. Network Rail are advising that you do not travel in the area.

A train shuttle is expected to run between Cambridge and Lynn, but this will be the only service in the area on Tuesday.

The Met Office have issued a 'Red Warning for Extreme Heat', this means there is a substantial risk of disruption to the train service.

This means there will be no Thameslink or Great Northern trains along the route from Peterborough and Cambridge or Hertford North into London (the route from Bedford will still have a very limited service).

Otherwise, Network Rail's general advice is that on Monday and Tuesday, only travel if your journey is absolutely necessary as Thameslink and Great Northern will be running a significantly reduced service across all routes.

Southern services are expected to mostly run as planned but some routes see the service reduced.

Gatwick Express services will not run.

Other train operators are also affected in the same way and are also advising you only to travel if absolutely necessary.