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.
David Cameron has sent his condolences to the family and friends of the victim of the Didcot Power Station collapse.
The station was in the process of being demolished when it collapsed yesterday, killing one and injuring five.
Speaking in the House of Commons, the Prime Minister said: "I know the whole House would want to join me in sending our condolences to the family and friends of the victim and our best wishes to those who are still missing or injured."
He said the Health and Safety Executive will carry out a full investigation into the incident.
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.