richard bilton, bbc news. lucy manning joins me now. how would you sum up the first day? there is a time for everything, there will be a time for evidence and experts and difficult questions and experts and difficult questions and difficult answers, but today was and difficult answers, but today was a day, a time for the bereaved, a time for them to remember and cry and there was certainly lots of tea rs, and there was certainly lots of tears, everyone in the enquiry room was weeping as they heard the details of the lives of the young and the old and those who were not yet born who died at the fire in g re nfell yet born who died at the fire in grenfell. the enquiry chairman told those who spoke today that he was finding it emotional to listen to them but appreciated giant to hear more about the lives of those who had died. the families will give

mr bond, hello, sir, my name is richard bilton. i work for panorama. i'm a reporter.u and i've sent you e—mails. i'd like to grab a word if i may. i want to know why your company rydon chose to use that cladding. sorry, it's easter saturday. i'm allowed to talk to him and ask him questions. i've written to you, could you explain to me why you used that cladding? you must have known it was cheap and dangerous. no, it wasn't, but now is not the time, i'm with my family. but we've written to you lots of times, cindy miles, i'm just trying to get your side of this. wasn't it yourjob to make that building safe? what we did is we put the cladding up that was specified and chelsea council, it was approved by building control and the local authority, it was approved by the architect. but that combination, it is not hard to find out if it is dangerous. did you do any testing, be clear with me, this is your right of reply, did you do any testing? no, we didn't do any testing because we are not required, it was deemed to comply. if you could go back and do it again, would you te

richard bilton reports. move back! way back! it started as a kitchen fire.ess that's going on. oh my god. but grenfell burned out of control because the building was wrapped in flammable material. these are the two products that covered grenfell that night, cladding with insulation behind. look at what happens when there's a flame, the cladding core melts and lights the installation. before the disaster, these two were never tested together. the manufacturers knew they were being combined on grenfell but didn't warn anyone on the project. fire spread up grenfell in 15 minutes from the second floor to the 22nd floor. and that is very, very fast fire spread. because you had so much combustible material, that would be equivalent to having four large petrol tankers full of petrol, all burning at the same time on grenfell tower. this is the type of installation that was on grenfell. —— this is the type of insulation that was on grenfell. it burns this quickly and that smoke is poisonous. the manufacturer, celotex, knowingly misled buyers about this product. they

richard bilton has been investigating. move back! it started as a kitchen fire.that's going on. oh, my god. but grenfell burned out of control because the building was wrapped in flammable material. these are the two products that covered grenfell that night — cladding with insulation behind. look at what happens when there's a flame, the cladding core melts and lights the installation. before the disaster, these two were never tested together. the manufacturers knew they were being combined on grenfell, but didn't warn anyone on the project. fire spread up grenfell in 15 minutes from the second floor to the 22nd floor. and that is very, very fast fire spread. because you had so much combustible material that would be equivalent to having four large petrol tankers full of petrol, all burning at the same time on grenfell tower. this is the type of insulation that was on grenfell. it burns this quickly and that smoke is poisonous. the manufacturer, celotex, knowingly misled buyers about this product. they said it was suitable for use on the refurbishment of buildin

richard bilton investigates. move back! it started as a kitchen fire.ess that's going on. oh my god. but grenfell burned out of control because the building was wrapped inflammable material. these are the two products that covered grenfell that night — cladding with insulation behind. look at what happens when there's a flame, the cladding core melts and lights the installation. before the disaster, these two were never tested together. the manufacturers knew they were being combined on grenfell, but didn't warn anyone on the project. fire spread up grenfell in 15 minutes from the second floor to the 22nd floor. and that is very, very fast fire spread. because you had so much combustible material that would be equivalent to having four large petrol tankers full of petrol, all burning at the same time on grenfell tower. this is the type of installation that was on grenfell. it burns this quickly and that smoke is poisonous. the manufacturer, celotex, knowingly misled buyers about this product. they said it was suitable for use on the refurbishment of bui

richard bilton reports. of grenfell. the lives and families destroyed by the disaster. he looked like he was just sleeping. as babies do. at that moment... we felt like our hearts had broken. and they had. grenfell burned ferociously because it was wrapped in flammable material. panorama has found that the installation should never have been there. rs 5000, manufactured by celotex, had not passed the relevant safety tests. celotex offered it to the contractors at grenfell, knowing it wasn't suitable for use on the review refurbishment of a tower block. that is remarkable and staggering and i think people will be extremely angry about that. it's just unbelievable, that people can operate like that. rs 5000 had passed safety tests but panorama also understands the insulation that was tested had a more fire retardant mix. meaning the product on grenfell was more flammable and untested. well, words fail me. this is absolutely mind blowing. this material is all over the place. celotex say they can't comment becau

richard bilton reports. move back at! it started as a kitchen fire. oh, my god.my god. but grenfell burned out of control because the building was wrapped in the flammable material. these are the flammable material. these are the two products that covered g re nfell the two products that covered grenfell that night. adding with installation behind it. look at what happens when there is a flame. the cladding court, melts and lights the in solution —— the installation. these two were never tested together. the manufacturers knew that they were being combined on grenfell, but did not want anyone on the project. fires spread up g re nfell the project. fires spread up grenfell in 15 minutes from the second floor to the 22nd tier, and thatis second floor to the 22nd tier, and that is very, very fast. because you had so much combustible material, that will be the equivalent to having four large petal can't —— petrol tankers or burning at the same time on grenfell tower. this is the type of installation that was on grenfell. it burns this quickly. that smoke is poisonous

richard bilton, bbc news. the a little earlier my colleague ben brown spoke to the area dean of kensington, mark o'donoghue, who offered his support to many of the families. listening to the tributes from families and friends, colleagues, is always a helpful part of the process of grieving and remembering and looking back with thanksgiving for their loved ones. today, we had heartfelt, harrowing tributes, the ones that particular stuck in my mind works marcio gomes remembering his son, public enquiry might public go. but the focus will be on the survivors. marcio gomes talking about the dreams that he had for his son to support benfica and liverpool, and all the dreams that people have their children and their love that they have their parents, and listening to denis murphy's sister talk about his love for his family, his friends and chelsea football club, obviously not in that order, she said. and just being really struck that he were people whose lives had been ripped apart, who lost the linchpins of their c