British Airways appears to be suffering a major outage this evening, with reports of flights being grounded at Heathrow Airport and website blackouts.
Mirror Online reports that the firm's website has been completely inaccessible tonight, but the airline has said it is still operating flights and check-ins.
It is understood that the airline's check-in system was also down in the second outage in 10 days.
BA has said it is working to overcome the issues that are affecting operations. A spokesperson said they will provide further updates as quickly as possible.
There have been suggestions that pilots can't access weight and balance systems.
BA said in a statement tonight: "We're investigating and working hard to resolve a technical issue and apologise for the inconvenience. We’re operating flights and checking customers in."
Heathrow Airport, meanwhile, said: “Heathrow's systems are operating as normal.
"We are aware of a technical issue that British Airways are investigating and we will be working with them to provide updates to passengers as soon as they are available.”
British Airways' app is also down, with many customers taking to social media to complain.
On Twitter, the airline said it were doing all it could to get to the bottom of the issues.
People have been discussing the problems on the platform as frantic flyers claim some planes have been grounded.
One user posted: "Am at Heathrow. British Airways flights all grounded as the computers have piled in. BA’s screens have gone off but the main ones in the hall are still on. BA staff seem very chilled, no flapping."
Another said: "[Second] time in a week I’m sat on a plane going nowhere. This time an IT issue. No information coming out, no provisions on board. Not good enough."
A third posted at 8pm: "In T5 at LHR, all British Airways systems have been down for over an hour, all flights are grounded."
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