Transcript for New developments in the deadly London high-rise apartment fire

fire in London. Tonight, the first images now coming in from inside that building. ABC's James Longman from London. Reporter: The twisted mess of ruined lives, a first look inside the London inferno. Nothing left but charred rubble. And there are still bodies in here. Though it's not clear how many. The search still too dangerous, the fear that the number of dead will soar well past the 17 already confirmed. What floor are you on! Reporter: The flames raged. Grief has turned to anger here. Look at this wall of condolences and look at some of these messages. Jail those responsible. This is an accident that never needed to happen. And questions for the building managers -- did the insulation and exterior cladding, recently installed, cause the fire to spread? And crucially, where else is that material used? An expert tells ABC news that it is part of commercial construction in the United States including New York City. Tonight sniffer dogs have been sent on a grim search for bodies in the tower behind me, parts of which still too unsafe for firefighters to enter, David.

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