in a separate development, a us official has told the new york times that american spy satellites detected an explosion at ukraine s karkhovka dam, just before it collapsed. the recordings can be verified. military experts say the area will be the focus of ukraine s long awaited counteroffensive. let s start this hour by looking more detail about what we know about damn collapse. rajini vaidyanathan has been working with the bbc verify team and explained more from the verify hub. as people try and work out what caused the breach of the dam, more and more data is coming into us to help us try and piece what happened. now we ve had some data, as you mentioned, from norwegian scientists who ve been monitoring the seismic signals and they detected seismic signals from romania that suggested, according to their work, that there was an explosion at 254 local time. this is the time in norwegian time. so you can see there on that wave a peak. and that s what they say indicates there
us jack doyle, two, who worked very closely in downing street, given an obe, closely in downing street, given an 0be, we are told that it still not quite right. so let s go to nicky, and the looking through that list as well. nikki, take us through names that you have seen. well. nikki, take us through names that you have seen. matthew, this is from the government that you have seen. matthew, this is from the government website - that you have seen. matthew, this is from the government website so - from the government website so anyone from the government website so anyone who is watching can go to the government anyone who is watching can go to the government website and look at this list with government website and look at this list with us government website and look at this list with us. i want to start off with list with us. i want to start off with the list with us. i want to start off with the highest honour, that one going with the highest honour, that one going t