and counting swans. you have probably seen the chaos unfolding around it outages affecting industries around the world. loads of flights have been cancelled. businesses have struggled to take payments. gps and pharmacists have been hit and tv channels and even been knocked off air. and tv channels have even been knocked off air. it is basically all down to one software update by a cybersecurity firm called crowdstrike. it did not quite agree with the windows operating systems, which lots of businesses use. it has been sorted though but it will take some time before services are back up and running. some other stories now. several arrests have been made after riots in leeds last night. hundreds of people took to the streets in harehills. this police car was flipped over and a double—decker bus was set on fire. local people told us it started after social workers removed children from a house in the area. no injuries have been reported.

mobile phones, tv and broadband companies have been banned from increasing prices during a contract. so from january, those companies will have to tell you about any rises before you sign up. and i know we say this one every time but today it really is the uk's hottest day of the year so far as temperatures hit highs of nearly 32 degrees in parts. that is hotter than ibiza. get the fans out though if you want any decent sleep tonight. and time now for 10 seconds of counting swans. yep, it is happening on the river thames, where experts to see how many have recovered from last year's avian flu. it is called swan marking and ijust also love the outfits that they are doing it in. you are all caught up now. see you later.

voice—over: this is bbc news. we'll have the headlines for you at the top of the hour, which is straight after this programme. in tecthlore, we go in search of the most exciting innovations around the world. in this series, i'm on a special mission to uncover the technology powering the paris 2024 olympic and paralympic games. how can technology help transform the biggest sports event on the planet? this time, in the run—up to the games, i'm stepping into the virtual olympic venues designed to make paris the most efficient and exciting games ever. i'll map my muscles just like us olympic football captain lindsey horan. i'm joining a pre—games training camp to try out heat

training with olympic triathlete champion kristian blummenfelt. .. yes, this is what top—level athletes look like. ..and the robots behind south korea's archers. join me for tecthlore paris. i've always loved the olympics. now, as a technology presenter, that love burns even brighter. because the olympics is not just about sport — it's also about immense technological innovation. paris is a great step forward. they will be more inclusive. they will be more sustainable with a wider scope of use of technology. i really, really want to see exactly how far we can push the human body.

it's...it's massive. technology is massive. you know, this is the game now. we need this. the paris games will be the biggest spectacle ever on french soil. 100 years on from the paris 192a olympics, technology is now transforming every aspect — athlete performance, the staging and the broadcasting. i've chosen to begin my journey at what's, for me, the most exciting new venue of the games, one which embodies the themes of paris 2024 — innovation and sustainability. this wave—shaped building is a brand—new aquatic centre.

inspired by nature, it's sustainably designed to last beyond paris 202a. made from a timber frame, all of its building materials are bio—based, and its 5,000—square—metre roof is covered in solar panels, making it completely self—sufficient. wow. it's an incredible space. one of the ingenious elements of the design is that it's modular, and it can go from its current 5,000 capacity down by half to around 2,500. i'm lucky to have been granted exclusive poolside access during a pre—games test event.

it's almost impossible to get in here — at least in the real world. but in the virtual world, a perfect replica of the aquatic centre now exists for athletes and organisers to explore. every aspect of the centre has been mapped and recreated in a real—time computer model — a complete digital twin. 30 out of a total of 35 venues have been digitised to help plan this mega event. i went to meet the company behind the technology next to a very real landmark. a digital twin is a representation of a venue in 3d, like a video game.

so that helps them to plan in advance, to anticipate, to see how they can plan their operations in the most efficient way. for olympic broadcasters, digital twins bring an opportunity to plan and try out different camera positions remotely. and for the athletes, digital twins are also a game—changer. british climber toby roberts has been out in austria training for his first olympics. when i first opened the software, i was morejust... i was sort of blown away. i was just so like... suddenly i'm in the venue, i'm in le bourget, in the olympics. it's really helped me create a mental picture of what it's going to be like competing. i'm already piecing together what it's going to be like to be there, what it's going to be like when i walk out and see the crowd, what it's going to be like when i walk out onto the boulder mat,

onto the lead wall, um, onto the podium, hopefully. even the weather can mirror real—world scenarios. thunder rumbles yeah, exactly. it goes, like, really stormy. and then you can come back to the weather, like, when it's better. yeah. let's put it back to a nice day. all this requires a vast amount of processing power delivered by olympic partner intel. if you think about a digital twin, it requires a lot of different types of information to build that twin. you've got the 2d drawings, you've got the lidar scans. there's a lot of renderings. there's a lot of data that needs to be processed and accessed in real time and managed. so it's really, really complex in a time where it has to be perfect. it blows my mind that this is just one of the elements going into planning this global event.

i'm a massive football fan, and the olympics are especially huge for women's football. so up next, i'm learning why one of the world's best players is having her own digital twin made, not of a stadium but of her body. lindsey horan is ushering in a new olympic era as captain of the us women's football team. the aim is always to go for gold. i don't think you'll get this high of quality of games in other olympics. i think this one is going to be, you know, so, so, so cool. lindsey trains in france with her club lyon, and is using the very latest sports tech to explore an intricate replica of her body. you can always improve little things. maybe this will be that much better, or i can be a little bit faster on the field, strengthening one muscle that i didn't know i needed strengthened.

with athletes like lindsey, they're getting a whole new look at the human body that they've never had before. back in london, i'm having my own digital twin made. it all starts with a regular mri scan. this captures slices of information about my body in 2d, taking about an hour. positioning. are you happy? i'm happy with it. well, that's certainly a novel experience, something of a first i've done for television. a couple of days later, i went to london's queen elizabeth olympic park to see my scans transformed. we get the 2d, grainy, black and white images that you see from an mri that none of us know what to do with.

we have an ai that actually automatically segments the muscles and the musculoskeletal system, and then we create a true—to—life form of the human body of who we capture. the body can be compared against itself for symmetry or against the wider population. now, i noticed when i looked through the results, the words "fat infiltration" quite a lot. that sounds pretty bad. what does that mean? you actually are on the lower end of the spectrum of having an amount of fat inside of each individual muscle. really, what we're doing is creating a metric for muscle health, which has never been done before. first developed for surgical decision—making, the ai can unlock the secrets of anyone�*s body, however unique. now, i'm aware my body shape is different to most other people that will have these types of scans. but what do these results tell you about me compared to other people that might go through this process? we can see on your left side you have a larger left pec muscle versus your right side. and so with that, that could potentially drive the way

that you manage and take care of your body. you actually have pretty dang healthy muscles. well, that's the best news i've had all day. for lindsey, the best way to look over her data is in a personalised report. just shows you a better idea of how your muscles are working. that, i worked really hard on, and now my left hamstring isn't as great. this is a muscle in my right quad that i had no idea about before. such precision health particularly benefits women, who've been historically overlooked in sports science. there is so much given into the men's side of the game, in terms of, you know, injuries, in terms of, uh, statistics. now it's starting to progress a lot in the women's game. and they're also seeing women and men differently.

here in paris, the atmosphere is building. and you just know that dreams are going to be made and broken here, with technology playing a bigger part than ever in helping athletes gain a place on the podium. coming up, i'm testing out heat training for athletes in norway... next stop, the striking nordic peaks of bergen. and to really understand how technology can boost performance, i've got on my blades and i'm getting involved myself. this is just a taste of some of the gruelling effort that elite athletes have to go through. and trust me, i am far from one of those. these are the forests of mount floyen, where i'm testing one of the latest trends in elite performance — heat training. the theory is by heating the body while training, it will learn to operate at maximum efficiency during the stress of a competition. well, i'm definitely feeling hotter. the things i do for television! before my test run, i met aline barre,

a world championship—level triathlete. hi, aline. nice to meet you. hey. she fitted me with a pioneering heat tracker that monitors your internal temperature without invasive pills or sensors. oh, it's quite small. yeah, it is. this wearable captures skin temperature and heart rate as well as a unique heat—flux measurement of exactly how much heat is leaving the body. the live data is fed into an algorithm to calculate internal body temperature. ah, yeah, there we go. look at that. and after 20 minutes on my blades, i was spent. ifeel like i worked up a bit of a sweat out there. be honest with me. how did i do? you did great, i would say. but i think you didn't quite hit the heat—training zone. oh, no!

so you can see that you only got a heat strain of 0.15, which is not a lot because for heat training, you need to get a heat strain from three to seven. three to seven? and you have 0.15. so i've got more work to do, then? yeah, exactly. aline�*s heat score of 9.8 definitely puts mine to shame, but the most impressive users of this tech are norway's olympic triathletes. hi, kristian. how you doing? oh, good. kristian blummenfelt is the reigning olympic triathlon champion after winning gold at tokyo 2020. i wouldn't be sitting here today without the technology and the tech partners that we're having. the more data we can collect, the more we can understand and sort of, uh, try to build our training towards a more efficient body. i've got exclusive access to kristian�*s high—tech training lab, where all kinds of data help him build an in—depth understanding of his body.

heat trackers are attached all over, monitoring for discrepancies. he also wears stride, power and oxygen trackers, and even a temperature—tracking suppository as a control. a little bit uncomfortable in the beginning, but you get used to it. right from the off, kristian sets an astonishing pace, one that, incredibly, he can keep up for hours. i guess we're collecting everything, like, basically, all the data we can collect. and it's not like we're only looking into one of them. we sort of look how they are compared to each other, so it's like to understand the full picture. he speaks norwegian behind this live human science experiment is kristian�*s coach, olav aleksander bu. you can imagine a little bit more like you're running a business — the business is his body — and then basically you're looking at how can you increase the operation

of the business by looking at different variables and seeing where do you have more to gain, where is there diminishing return, and so on. the gruelling two—hour run is broken briefly every five to ten minutes, in which 18 tiny blood samples are taken for lactate analysis — a measure of muscle fatigue. we've got the blood, we've got the sweat. if i was doing this, we'd definitely have the tears as well. there is no respite as kristian ramps up again to 24km/h. he's been doing this for over an hour now, which is incredibly impressive. 0h! the last one there was tough. whoa! after a crippling climax, i asked kristian just how important technology is to success. i think it's getting

more and more crucial. like, uh, as long as you have some athletes bringing technology, it's really hard to work or compete against them unless you are utilising technology in the same way. we've seen how this technology helps you physically. does it also help you prepare mentally as well? data and numbers can both break you mentally, and it can give you a lot of confidence because there is really no way to hide. how are things looking for paris? it is the biggest stage in sport, like in... of course i'm excited. i think when i won once, you always want to defend your title. and, uh... but, yeah, it is some work to do. back in paris, i'm visiting invalides. these historic grounds will be the venue for one of my favourite events of the games — archery. it's impossible to talk about olympic archery without spotlighting south korea. the country dominates medal rankings tables,

and the women's team have won gold at every games since 1988. just outside seoul, at south korea's national training centre, in jincheon, you can see the lengths they go to. but it's notjust about the athletes. the equipment also needs to be precise — and this is why a team of engineers from hyundai motor group has been building the next generation of archery tech. including this robot, which tests the performance of every arrow heading to the games. translation: the equipment fires each arrow with the same angle and the same intensity.

only arrows hitting virtually the same spot will be selected for paris, ensuring maximum consistency. as you can see, the second arrow struck slightly to the left and below. and for improved feedback in training, a camera tracks the athletes' posture when shooting — again, to ensure consistency — this time, in body position. the purpose of this equipment is to allow athletes to save their poses more simply, offering immediate review. i asked one of south korea's most renowned gold medallists, ohjin—hyek, what the tech means for athletes.

he speaks in korean translation: , it's been quite visceral. you had to remember your form by muscle memory. but now, seeing and visualising the data lets you make corrections far more easily. how excited are you to be watching the south korean archers come here to this amazing venue? all athletes' eyes are focused on the olympics. and if they play as they've been practising, i think they will have a very successful time. next, i'm headed to paris's famous river, the seine. to launch the games to the world, the plan is for a flotilla of boats carrying athletes to sail past

here for the opening ceremony — a visual feast, but also a challenging event to broadcast. i'm here to meet one of the people hoping to make it happen. hi, sarah! hi, paul! great to meet you. lovely to meet you. nice to meet you. what a beautiful setting! amazing, right? it's incredible, isn't it? in just a short space of time, this is going to look very different, isn't it? it certainly is. on july 26th, you'll see the sides filled with people, boats filled with athletes — all for the opening ceremony. wow — and there's going to be something that we can't quite see at the moment that's going to be helping power a lot of it, isn't there? absolutely. we're building a number of private 5g networks to enable broadcast. when you think about cameras and wires, you needed a wired camera if you wanted live broadcast. yeah. now we've got points, bridges that we can put antennas. we're enabling connectivity for the entirety of the river, which makes the broadcasters able to capture content, upload it and get it

to live audiences at home. and this isn't the only 5g project that you're working on, is it, in france? one of the really cool things we're doing is building one for sailing in marseille. sailing is really complicated, because it's moving all the time. yeah. so, we're actually putting antennas on a boat. wow. so, you can get yourfootage out from the boats live when out at sea? you are seeing what the skipper�*s doing in a way that you've never been able to see before. real live shots from the boat at the sea during the sailing. amazing. well, i can't wait to see it. it's going to be great. it's amazing to think that, in just a few days' time, the opening ceremony is going to be right here. as someone who's watched the games my entire life, it's been incredible to be at the epicentre of the action. the set—up has been phenomenal, but as all eyes turn to paris, will france pull it off? next time — i go behind the scenes at the olympic

international broadcast centre. and i travel to switzerland... i've got my blades on. i'm on the start line, i'm ready to go. on your marks... ..to visit the olympic timekeeping laboratory. 3.51. i'm not sure usain bolt�*s got much to worry about, but let's go and have a look at my photo finish. join me next time for tecthlore: paris — the global experience. hello there. warm with plenty of sunshine on friday — temperatures widely into the mid—to—high 20s in celsius.

in fact, it was the hottest day of the year so far, with nearly 32 degrees reported in stjames's park in london. but the heat is not set to last, because it will be turning cooler through the weekend, distinctly fresher by sunday. still some bright and some sunny spells and still plenty of humid feeling air around on saturday, but also some outbreaks of rain courtesy of this weather front pushing eastwards as we head into tomorrow morning. still some clear spells out towards eastern areas of england. it's going to feel muggy and warm, uncomfortable for sleeping. this is how we start off the day at 7:00am on saturday. temperatures for some towards the east already 18 or 19 degrees. so on saturday we will start to see that rain move across northern ireland, western scotland, through wales and into northern england too. it could stay dry and fine for much of the day across eastern areas of scotland. some of the showers likely to be heavy as we head through the afternoon in the south—west of england, and there could be one or two thundery showers breaking out towards these eastern coastal areas.

top temperatures of 25 or 26 degrees out towards the east. we are hanging onto that muggy—feeling air through the day on saturday, but it does feel fresher by sunday. now, we've still got a legacy of cloud through the morning for eastern parts. that's going to clear away. one or two showers developing, but also some sunshine, but then more cloud out towards the west, especially through the afternoon. temperatures this time just 15—22 celsius. that's quite the drop in temperature from friday to sunday, and then on monday we're looking at more weather fronts moving through, likely to bring some further showers, some outbreaks of rain, and again some rather blustery conditions perhaps towards southern areas of the uk. we won't all be seeing the showers, some areas perhaps staying dry. there will be some brighter spells perhaps here and there. most of the rain out towards the north and the west as we go through monday, but temperatures just slightly below, for some, the seasonal average —16—22 degrees north to south.

by the time we get to tuesday and wednesday, a little ridge of high pressure will bring some drier conditions, and it could start to feel a little warmer again, but certainly not the sort of heat that we saw on friday. bye—bye for now.

live from washington, this is bbc news. a global it outage grounds thousands of flights, shuts down banking and retail systems and disrupts emergency

services. more democrats call on us presidentjoe biden to end his re—election campaign. the un's top court says israel's occupation of palestinian territories violates international law in a landmark opinion. and a russian court sentences american journalist evan gershkovich to 16 years in prison in a spying case the white house calls a sham. hello, i'm sophia long. —— hello, i'm sophie long. businesses are slowly beginning to recover from the chaos caused by an it outage that disrupted the lives of millions of people around the world. essential industries including airlines, banks and healthcare are slowly coming back online. but now the focus is on the cybersecurity firm crowdstrike, which confirmed that a bug in its software caused issues on microsoft devices.