The network say fixing the problem is a 'top priority'.

Parking and traffic signs in Dorset are down because of O2's national network outage.

Issues with the signs at Top of Town in Dorchester are linked to the network's issues, said a spokesperson for Dorset County Council.

O2 says fixing the outage is a 'top priority'. It's blaming software issues at a supplier.

Customers of Sky, Tesco Mobile, Lyca and Giffgaff - which all use O2's infrastructure.

Users say being unable to send messages and access the internet's had a big impact on their day.