It is "highly unlikely" that three people still missing in the rubble of the Didcot Power Station collapse are still alive, officials have said.
The search has been hampered by the "unstable" section still standing, they added.
The station closed in 2013 and was in the process of being demolished when it collapsed yesterday, killing one and injuring five.
People living near Didcot Power Station have been advised to stay inside with doors and windows closed following the collapse of a building at the site this afternoon.
A statement from Oxfordshire County Council said that no hazardous materials were inside the building but dust from the collapse "covered a considerable area."
A GMB union official said: "We understand that workers were preparing two boilers for demolition in the coming weeks. This led to the collapse of a building."
Frustrated families of those missing since the power station collapse two weeks ago say they are heartbroken that rescue work has halted.
A biker group in the North East has paid tribute to 'Whitby' Mick Collings, who is thought to have died in the power station collapse.
One person has died and three others are still missing after a building collapsed at Didcot Power Station yesterday.