Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleThe Royal Devon and Exeter Hospital has declared a critical incident, citing extreme heat and humidity as impacting its ability to deliver services. This follows similar critical incidents announced by Queen Alexandra Hospital in Portsmouth and Norfolk and Norwich University Hospitals NHS Foundation Trust on Wednesday. University Hospital Southampton also declared a critical incident on Thursday, leading to the cancellation of planned operations and some outpatient appointments. The ongoing heatwave has caused significant operational issues, including the failure of chiller units and the inability of MRI scanners to function across several hospitals. Critical incidents are implemented when health and care services face such severe pressure that special measures are required to ensure patient safety and restore normal operations. In fullUK heatwave latest: Another hospital declares critical incident as temperatures set to hit 40CThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in