The Grenfell Tower fire was a "preventable accident" caused by "years of neglect" by the local council and successive governments, Mayor of London Sadiq Khan said yesterday.
Police had previously put the death toll at 30.
Police Commander Stuart Cundy says police will seek criminal prosecutions if the evidence warrants. "And therefore, sadly, I have to assume that they are dead", he said.
Speaking to the Observer, she said crews did not follow normal practice, adding: "Had we just followed standard fire brigade procedures, we would not have been able to commit firefighters in and conduct the rescues we did". Police and fire experts have said the fire was so intense that the process of identifying human remains will take weeks, if not months - and some victims may never be found.
However, the spokesman did not confirm what type of cladding was used on Grenfell Tower, adding that this would be subject to investigation.
NHS England says the injured are being treated in four London hospitals.
"How many of those have been inspected by fire services and local authorities with maximum transparency?"
He said there was still "simmering anger" among residents as well as "hostility and concern" over whether it Downing Street might offer no more than "warm words".
Fifty-eight people are missing and presumed dead in the Grenfell Tower disaster, the officer in charge of the investigation has said.More news: Reality Winner to Plead Not Guilty of Leaking NSA Document
Corbyn's comments come a day after Conservative Prime Minister Theresa May said support for families in the initial aftermath of the Grenfell Tower fire "was not good enough" and announced a fund of 5 million pounds ($6.4 million) to help those affected by the blaze.
"We have colleagues in there as we speak, searching for and recovering those that have died".
They made images public to give people an idea of the scale of the challenge they are facing as they now try to identify victims.
Meanwhile, Queen Elizabeth II struck a mournful tone in an address to mark her official birthday Saturday, remarking not only on the blaze at the high-rise building but also on the recent terrorist attacks in Manchester and London.
"It is hard to escape a very somber national mood", Elizabeth said in a message.
An apartment inside Grenfell Tower in north Kensington is seen after the blaze..
Scuffles broke out near the Kensington and Chelsea town hall offices Friday as demonstrators chanting "We want justice!" surged toward the doors.
The government has promised a full public inquiry, but that has done little to ease a sense of frustration at the lack of information about how the fire moved so quickly to engulf the building.
'I must consider the fact that there may be others in the building who, for whatever reason have not been reported to us.
British officials say they are helping the Syrian family of the first officially confirmed victim of the London tower blaze to come to Britain.