Ticket machines and scanners crashed at some of London’s busiest stations as one of the world’s biggest IT disasters entered its second day of disruption.
Passengers reportedly struggled to buy tickets at London Waterloo station on Saturday morning, with travellers met with the “blue screen of death”.
Elsewhere at London Paddington, QR code scanners stopped working, leaving ticket inspectors with no choice but to let passengers off the platforms, the MailOnline reported.
A flawed update rolled out by cybersecurity firm CrowdStrike knocked many offline around the world on Friday, causing flight and train cancellations and crippling some healthcare systems.
Train cancellations continued to cause delays across the London Underground network on Saturday.
The Victoria, Jubilee, Metropolitan, and Hammersmith & City Lines were all impacted by the issue at Saturday lunchtime.
Passengers also continued to face disruption at airports on Saturday as airlines reeled from the impact of the global IT outage.
Airports across the UK, including London Gatwick, Heathrow Airport, Manchester Airport and Belfast International Airport, said passengers should check with airlines for any delays or cancellations before travelling over the weekend.
Nearly 7,000 flights were cancelled across the globe on Friday, including 408 to and from the UK.
As of 10am on Saturday, the UK had seen 23 departing and 25 inbound flights cancelled, according to figures from aviation analytics firm Cirium.
Travellers at Heathrow Airport were experiencing long queues on Saturday morning and reported problems with checking in for British Airways flights.
The outage also caused disruption in “the majority of GP practices” on Friday, NHS England said, and ambulance services also reported increased pressure on 999 and NHS 111 services.
Across England, GP surgeries reported being unable to book appointments or access patient records as their EMIS Web system went down.
A fix was deployed for a bug in the update, which affected Microsoft Windows PCs, on Friday, as CrowdStrike’s chief executive said it would take “some time” for systems to be fully restored.
CrowdStrike chief executive George Kurtz apologised, saying he is “deeply sorry” and made clear it was “not a security or cyber incident”.
In a technical statement, CrowdStrike said a “sensor configuration” had “triggered a logic error” which the company said had been corrected.
Transport Secretary Louise Haigh said on Saturday afternoon that the IT systems of UK airports and train operators are “back up and working as normal”, but “some delays and a small number of cancelled flights” were expected.
In a post on social media, Ms Haigh wrote: “Pleased to report that UK airports and train operators have their IT systems back up and working as normal.
“We are in constant communication with industry. There continues to be no known safety or security issues arising from the outage.
“Some delays and a small number of cancelled flights are expected today. Train operators are no longer reporting cancellations and delays as a result of the IT failure.
“Thank you to everyone who has worked so hard to get systems up and running again.”
