A number of police forces in England and Wales are reporting the 101 non-emergency phone number is down.
At least 15 forces - including the four Welsh forces and the Metropolitan Police - say there have been technical issues with the line since 09:00 GMT.
The Met Police said calls were not being received via 101 but the 999 emergency line was unaffected.
The following police forces are reporting problems:
Cheshire Constabulary
Cleveland Police
Durham Constabulary
Dyfed-Powys Police
Gloucestershire Police
Gwent Police
Hertfordshire Constabulary
Hampshire Constabulary
Metropolitan Police
North Wales Police
Northumbria Police
South Wales Police
Sussex Police
West Mercia Police
Wiltshire Police
A list of alternative non-emergency numbers is available on the 101 website.
There are also reports the 111 NHS non-emergency line has stopped working in Scotland and England.
Any callers in England unable to get through to the NHS 111 service are advised to dial 0300 0200 155.
http://www.bbc.co.uk/news/uk-england-manchester-30157666