Train operator Avanti West Coast has suspended ticket sales and advised passengers only to travel if necessary when the heatwave arrives next week.
The company, which operates the Liverpool Lime Street to London Euston route, announced on Friday that it will not sell any more tickets for services on July 18 and 19, citing the "extreme hot weather warnings". Latest BBC Weather forecasts state that Liverpool can expect highs of 35C on Monday (July 18) and 33C on Tuesday (July 19).
The latest forecast for London predicts a high of 40C on Monday and 37C on Tuesday. The Met Office has issued its first-ever red warning for extreme heat, covering Monday and Tuesday.
