Thanks for joining us on BBC Local Live for Oxfordshire today.

If there are any developments at Didcot overnight you will find coverage on the BBC news website.

We will be back live at 08:00 tomorrow.

As darkness falls on the Didcot Power Station site for a second time since the building collapse let's look back at what we now know: 

• Emergency services were called to Didcot A Power Station at about 16:00 yesterday
• One person is dead and three are missing after the partial collapse of a 10 storey building 
• It's considered "highly unlikely" that they will be found alive
• One feared dead has been named on social media as Michael Collings
• Five people were taken to hospital - one has been discharged, three are expected to leave today, and one remains in a stable condition  
• The remaining structure is "unstable" and "unsafe"
• Sniffer dogs, listening devices and drones have all been used in the search
• The search operation could take days, possibly weeks, the fire service has warned
• The building had been due to be demolished and the Health and Safety Executive is investigating

According to Oxfordshire County Council district environmental health officers have liased with teams onsite at Didcot A and concluded "there are no air quality issues".  

Assistant Chief Constable Scott Chilton from Thames Valley Police said the cause of the building collapse at the decommissioned plant was not yet known.

South Today

On South Today this evening: The search is continuing at Didcot Power Station after part of a building collapsed yesterday. Three men are still missing - and hope is fading of finding them alive.

 Join Geraldine Peers for all the south's news at 18:30.  

Chief Fire Officer Dave Etheridge said the fire service had called on the advice of colleagues in Cheshire and Merseyside who dealt with a similar incident at a wood mill in Cheshire.

Thames Valley Police has thanked the team supporting the rescuers in their search for three missing people at the Didcot A site.

The charity Rapid Relief Team has been helping with the Didcot Power Station search effort.

Image source, Rapid Relief Team

It says two teams and support trailers have been providing refreshments and support for emergency works.

Volunteers have been drafted in from Reading, Didcot and surrounding areas.

One of those feared to have died in the Didcot collapse has been named on social media as Michael Collings, widely known as Mick. 

Image source, Teesriders MCC

In a post on the Teesriders MCC Facebook page, he's described as a "good friend and dedicated member" of the Club. 

Tributes have also been left to him on a family member's Facebook profile.

BBC Radio Oxford

The editor of Demolition News, external, Mark Anthony, has been talking to BBC Radio Oxford.

He said standards in the UK were very exacting and that Coleman and Company, the firm in charge of the Didcot demolition, is the "best of the best".

Image source, PA

Mark also told Radio Oxford that the UK's demolition sector is the safest in the world and likened it to the aviation industry.

Five people were taken to the John Radcliffe following the collapse yesterday and a major incident was declared.

The hospital said one was discharged last night and three further patients will be leaving today, while the final patient is described as being in a stable condition.

Despite saying that it's "highly unlikely" that the missing workers are alive, chief fire officer David Etheridge says they'll do everything they can.

He also said they are making progress, but warned the operation could take days, possibly several weeks.

The full joint police and fire service statement has now been published online, external.

Hampshire Fire and Rescue Service has joined the team working at Didcot Power Station after yesterday's building collapse that killed one person with three still missing.

Support teams from West Midlands, Buckinghamshire and Merseyside have also been assisting the search.

Nearly 24 hours on from the building collapse at Didcot A Power Station lets look back at what we now know: 

• Emergency services were called to Didcot A Power Station at about 16:00 yesterday
• One person is dead and three are missing after the partial collapse of 300m, 10 storey building 
• It's considered "highly unlikely" that they will be found alive
• The remaining structure is "unstable" and "unsafe"
• Sniffer dogs, listening devices and drones have all been used in the search
• The search operation could take days, possibly weeks, the fire service has warned
• The building had been due to be demolished and the Health and Safety Executive is investigating

We'll continue to bring you the latest developments as we get them, and they'll be more live updates on BBC Radio Oxford with David Prever from 16:00.

We heard from the fire service earlier who told us there's still a huge risk that the rest of the building might collapse.

This photo from Radio Oxford's Amanda Dellor gives a hint of just how unstable the remaining structure is.  

Npower, which operated Didcot A Power Station, external before decommissioning started in 2013, has reacted to the news from the fire service that it's now considered 'highly unlikely' that the three missing people will be found alive.

Marilyn Shadbolt is one of the Didcot residents who spoke to BBC Radio Oxford earlier.

She heard the building collapse at about 16:00 yesterday but not think it sounded like an explosion, she said there was just a terrific rumble.  

The families of the people missing after yesterday's collapse at Didcot Power Station are "distraught", Oxfordshire's chief fire officer David Etheridge says.

At a news conference Mr Etheridge confirmed that the families had been told that it was unlikely the missing people were alive.

This was the sight that greeted commuters at Didcot's train station this morning.

The remains of the collapsed turbine hall is just visible from this photo taken by BBC Radio Oxford reporter Lilley Mitchell.