NETWORK provider O2 have confirmed the network is down leaving thousands of customers without 4G this morning, Thursday.

The network issues appeared to start shortly after 5.30am.

Outages were reported across the UK, including Manchester, London and Southampton.

O2 confirmed the network issues on Twitter.

They said: "Our technical teams are investigating reports of issues when using data.

""Voice calls are working OK. We are sorry for any inconvenience."