Businesses worldwide were affected by a significant IT outage on Friday (July 19) due to an upgrade from cybersecurity company CrowdStrike, impacting trains, flights, as well as many other things.
About half of the Great Northern and Thameslink trains through Barnet, Enfield, and Haringey, all of which are a part of the Govia Thameslink Railway (GTR), have been cancelled since early this morning.
