Watch the dramatic moment Storm Eunice topples St Thomas' Church's spire in Wells, Somerset.
Four people were killed as Storm Eunice's powerful winds tore through the UK and Ireland.
Hundreds of thousands remain without power as the weekend clean-up begins, amid Met Office warnings of more rainy and unsettled weather to come.
And rail disruption continued into the morning after the storm, as travellers faced more delays and cancellations.
The national forecaster issued a new yellow weather warning on Saturday, for snow across parts of northern England this afternoon and wind along the south coast and Wales.
The storm's victims included a man aged in his 20s, who was killed when a car he was a passenger in collided with a tree in Alton, Hampshire.
A council worker killed by a falling tree as he tended to debris in Wexford, Ireland, became the first victim of the storm.
A man in his 50s died after debris struck a van windscreen in Merseyside, shortly after 2pm.
And a woman aged in her 30s died after a tree fell on a car in Haringey, north London shortly after 4pm, as Storm Eunice swept across the capital.
Roofs have been torn off, trees toppled onto powerlines, and lorries overturned on major motorways during Friday's dramatic weather.
The Met Office issued a rare red weather warning for wind of all of Wales and vast areas of England, as Eunice came blowing in on the tail of Storm Dudley.
Wind gusts reached 122mph in the Isle of Wight, in what the Met Office said is thought to be a new record for England.
The storm hit Wales first overnight, battering the coastline with huge surges and sparking mass power cuts.
Tens of thousands of people were hit by power cuts on Friday, largely in the UK's South West, as the storm swept northwards from the coast.
People were urged to stay indoors where possible, and avoid travel as airlines, rail, bus, train and ferry operators slashes services, and major roads closed over wind fears.
Watch a lorry topple over on the M4 motorway in Wales
By Saturday morning, around 16,000 homes remained without power.
Both Severn crossings, which connect south Wales and England. were closed for the 'first time' due to wind. The M4 Prince of Wales Bridge and the M48 Severn Bridge have now reopened.
Dramatic pictures captured at least three lorries overturned on motorways in south Wales, blown over by the strong winds.
Three roofs blown off houses crashed into neighbouring homes in Newport, leaving the road strewn with debris.
South West of England
"Significant disruption" was expected across the South Western Railway network throughout Saturday and they said work was ongoing to clear the lines after more than 40 trees were felled on its routes.
Several Great Western Railway services have returned, however services remain significantly disrupted across the network.
A church spire was captured dramatically toppling as 'violent' winds hit Wells, Somerset.
More than 90,000 homes were without power across the South West by Friday afternoon and 13,000 properties in Cornwall remain without power as of Saturday afternoon - a 'major incident' was declared in Cornwall ahead of the storm.
Some funerals had to be cancelled in Cornwall after a crematorium's roof was damaged by the winds.
Wind tore the roof off the lifeboat station at Sennen Cove in Penzance.
Nearly 75,000 households remained without power across the South East on Saturday, with power companies warning of potential for some localised faults into next week.
Travellers are being warned of more delays into Saturday due to debris on railway lines.
Routes on the Greater Anglia and Stansted Express network have also been suspended due to fallen trees.
Southeastern said some routes have reopened, but services may still be delayed, revised or cancelled as trains and crew have been displaced.
The Queen Elizabeth II Bridge, which connects Essex and Kent, reopened on Saturday morning.
The Port of Dover closed on Friday, meaning no ferries could operate between Dover and Calais but has since reopened to shipping and some ferry services have resumed but passengers are advised to check before travelling.
A man in his 20s died when a car he was riding passenger in collided with a tree in Alton, Hampshire shortly before noon. Police said the driver of the vehicle survived, but was rushed to hospital with serious injuries.
A tree fell on a woman and a baby while she walked with the child in a pushchair as strong winds hit Bedford. The woman was airlifted to hospital with what were described as serious injuries to her leg and pelvis. The baby was uninjured in the incident.
A person has been taken to hospital with serious injuries after being hit by falling debris in Henley-upon-Thames.
The Needles on the Isle of Wight recorded wind gust speeds of what is thought to be a record-breaking 122mph.
A zoo's lion enclosure's fence was broken down by a falling tree during the storm's powerful winds. The zoo was closed at the time and had moved its lions indoors for their safety, in anticipation of high winds and flying debris.
Parts of the East of England were, as Suffolk declared a major incident due to the strong winds.
The Langstone Bridge closed over over fears of high tide surges cutting off Hayling Island, as the only road to and from the settlement, but has since reopened.
Thousands of homes around the South East coastline and Home Counties were hit by power cuts in the high winds.
Powerful winds tore a huge hole in the roof of the O2 Arena at Greenwich
Video from Twitter/Ben Hubbard/@BJFHubbard
A woman in her 30s died after a tree fell on a car in Haringey. She was a passenger in the car. The driver, a man aged in his 30s, has been taken to hospital and his condition is not believed to be life-threatening.
Watch the dramatic moment a tree falls into the path of a bus driving through Bromley during the storm:
Storm Eunice's winds tore a huge hole in the roof of the world-famous O2 Arena in Greenwich, south east London. Around 1,000 people were evacuated and there were no reports of any injuries.
Hair-raising videos of aircraft battling against stormy conditions at Heathrow Airport left plane-watchers tuned into Big Jet TV in awe. Gatwick was among airports around the UK warning of flight delays and cancellations throughout Friday.
A dramatic day at Heathrow Airport was streamed live to people around the world
(Video from YouTube/Big Jet TV)
London Overground and TfL Rail services returned to normal on Saturday, but some Tube lines are still experiencing delays.
Almost 50 flights were cancelled at Birmingham Airport, with Jet2 among airlines warning of potential delays.
East Midland Rail services had returned to normal by 4pm on Saturday, but West Midlands Rail said although some routes had reopened, disruption remained on all routes.
Heavy snow blanketed parts of Greater Manchester, Lancashire and the Isle of Man on Saturday in the wake of the storm, as a yellow warning for snow came into force across the region.
A man in his 50s died after debris struck a van windscreen just after 2.10pm Friday in Netherton. Police say the passenger, a man in his 50s, was was pronounced dead at the scene by paramedics. The van driver, another man, was not injured.
Some regional flights at Manchester Airport were being cancelled on Friday, as airlines warned travellers to check for delays and flight suspensions during the red weather alert.
Watch: Swimmers are told to leave the sea at New Brighton, Merseyside, as Storm Eunice hits.
Grand Central, Hull Trains, Merseryrail, Northern and Lumo had returned to normal by 4pm on Saturday.
The Humber Bridge shut to all vehicles for only the fourth time in 40 years, and ferries cancelled crossings, train passengers were told not to travel.
Some schools in County Durham were closed due to a lack of heating and the buildings being extremely cold.
The A66 was shut temporarily early on Friday morning due to heavy snowfall.
Caledonian Sleeper and ScotRail had returned to normal by 4pm on Saturday.
The storm bought winds and forecasts for a big freeze ahead, with snow expected to reach 20cm at higher ground and 5cm elsewhere.
Flood warnings and flood alerts remain in place as of Saturday in some areas in Scotland.
Dramatic pictures showed trees sparking fires as they blown down onto powerlines along rail lines in Dumfries and Galloway.
Northern Ireland and the Republic of Ireland
A man struck by a falling tree in Wexford, Ireland, became the first recorded death during Storm Eunice. The council worker, named as dad-of-one Billy Kinsella, 59, was responding to a storm debris task in the Ballythomas area when he was killed.
Heavy snow blanketed parts of Northern Ireland's north-west, and hit parts of Counties Derry, Antrim and Fermanagh on Friday.
More yellow warnings for Northern Ireland and the Republic were issued for Sunday.