LATEST: HSE rebooting 1,200 servers after global cyber attack

Family doctors in Ireland have been warned not to use their practice computers until they are certain their anti-virus security systems are up to date.

Update 3.10pm: The HSE is rebooting more than 1,200 servers this afternoon in order to activate additional security updates designed to address the WannaCry ransomware virus.

The planned IT outage is underway across the network.