According to Avanti West Coast, trains could be delayed up to 30 minutes, while National Rail has warned customers that some services might be cancelled or revised in the coming hours.

A post on the company's website reads: "Due to the fire alarm sounding at a station earlier today at Manchester Piccadilly all lines are blocked. Train services running to and from this station may be delayed by up to 30 minutes. Disruption is expected until 12:30.

"We're really sorry if this affects you and your journey today.If your journey's delayed 15 minutes or more, you can claim compensation at delayrepay.avantiwestcoast.co.uk.If your train is cancelled, your ticket is valid on one of the two Avanti West Coast services immediately before your booked train, or one of the two immediately after. If you no longer wish to travel because your train's delayed or cancelled, you can request a full refund from where you bought your ticket."