Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. Neighbouring forces also helped field calls. The problem was rectified around 13 hours later at around 4.15pm. A spokesman said: “We’re pleased to confirm that all systems are now back up and running and normal bank holiday service has been resumed.”We would once again like to thank everyone for their patience and support, whilst we worked to rectify matters and apologise for the inconvenience caused.” Engineers spent the Bank Holiday working to rectify the problem, which happened at 3.30am when the owl flew into a sub-station and took out most of the power at police HQ in Portishead.Becky Tipper, centre manager for communications at Avon and Somerset Police, told the BBC that staff were coming in on their day off to ensure calls could still get through. We’ve got computer/phone problems. Genuine 999 calls only. Engineers working to Engineers working to rectify problems. Thanks for support.— Avon&Somerset Police (@ASPolice) August 28, 2017 We’re working to restore systems Power outage caused by owl flying into sub station Limited 999 service Thanks for your patience.— Avon&Somerset Police (@ASPolice) August 28, 2017 Residents Somerset were told not to ring the police unless it was “urgent” after an owl flew into power cables and broke the phone system. The force urged people to call 999 only if they had a genuine emergency on Monday after the bird caused serious problems for their computer and phone systems. They also told households to avoid using the non-urgent 101 service.