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Tech meltdown caused by UK heatwave cost London hospital £1.4m

Staff tried to hose down overheating air con but were unable to find a tap, review into critical incident reveals

Tech meltdown caused by UK heatwave cost London hospital £1.4m
Climate campaigners warn more investment is needed to avoid further incidents. | Mick Sinclair / Alamy Stock Photo
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Workers at a London hospital were unable to find a tap to hose down their overheating air conditioner as a critical outage saw dozens of appointments cancelled or delayed.

The bizarre admission was made in a review, published this week, into a critical incident that occured at Guy’s and St Thomas’ hospitals in July 2022 when two data centres failed during the UK’s record-breaking heatwave.

The review found the incident was likely preventable and said hospital management could have put in place measures to predict and mitigate the potential risks extreme weather now poses to its IT systems.