A worldwide Microsoft system failure is causing chaos at airports and businesses across the globe.

The issue, linked to a Windows update and the CrowdStrike antivirus platform, has affected flight operations, banking systems, and media outlets.

In Spain, airport operator Aena reported disruptions in check-in and passenger information systems, leading to manual operations and potential flight delays.

Similar problems have been observed in airports in Germany, the UK, and the US.

Major airlines including Ryanair, Iberia, and American Airlines have acknowledged operational impacts.

Microsoft Azure confirmed they are investigating the problem, which has also affected cloud computing services.

The incident coincides with peak travel season, exacerbating its impact on the aviation industry.