this is bbc news, the headlines... a saudi man suspected of carrying out a deadly attack on a christmas market in the german city of magdeburg has been remanded in custody. he is facing multiple charges of murder and attempted murder. gaza's civil defence agency says at least 28 people have been killed in a wave of attacks by the israeli military across the gaza strip. targets were hit in gaza city, rafah and khan younis. the ukrainian boxer oleksandr usyk has won the biggest bout in boxing — the men's world heavyweight title, beating tyson fury. he won on points after a thrilling 12—round contest in riyadh. the winning number has been drawn in spain's annual christmas lottery.

the first prize — known as "el gordo" — is won by any individual or consortium that has it. now on bbc news, click: sports tech compilation. lara: this week, a look back at some of the tech that's making a splash in the world of sport. spencer: the atmosphere is electric on the water, i but celebrity sparks will fly as we find out which famous faces are behind these wheels. 0 to 60 in...how much? spencer sees and times the world—record—smashing electric car. and we talk adaptive bikes

with a former champion mountain biker. the main, main thing is the articulation. another rock comes, you just move it and it adjusts by itself. welcome to lake como. it's a beautiful part of italy, and the town of como itself was the home of the 18th—century physicist alessandro volta, who is credited as being the inventor of...? the battery. correct. the clue was in the name. right. but i wonder if signore volta could ever have imagined his invention powering what alasdair keane has found on the same italian waters. there's a new race craft in town that's fast and designed to perfection. but this isn't racing

on the road or in the air. although, actually, they look more like sci—fi spacecraft than boats. this is the racebird. it's been created for the all—new ei racing series that aims to prove the potential of electric power in the marine industry. we can use our sport platform in order to test and validate the solution, and then possibly change the way we will navigate in the future for billions of people. hey, how are you doing? good, how are you? nice to meet you. you've just come off the boat. yeah. how was it out there on lake como? it was amazing. you know, our teams are working hard. we've been looking at data and we've been trying to do everything we can to be the fastest boat. we are the pioneers of a brand—new series. so this is an electric hydrofoil power boat. there's nothing like it. this is the first invention of its type here that we're racing in e1 series, and it's pretty amazing to be ahead of a forefront and be a part of that for the very beginning. so will smith is here. he is who owns our team,

and we're looking to throw down hopefully some good times to get our first win. all right. have fun. all right. yeah, you did hear right — will smith owns this team. and he isn't the only celebrity backer. before the main event tomorrow, first, some competition between the team owners. in the red, hollywood legend will smith, and in the orange and purple, tennis champion rafa nadal. copy that. . ready to go. these boats can reach 50 knots. that's around 93km/h. so how do they reach those speeds? the key bit here is getting up on the thin bits of the foil and staying above the water to have the speed. that's right, yeah? exactly. if you're on the edge of the foil and you're as high as possible,

it's less drag in the water, so you're getting the most kph. but, you know, there's some techniques that are coming into play as we learn these boats on what's fast. it's really tough to stay on the foil. you'll see us always doing as much as we can to stay on it, but it's not easy. we're very busy in the cockpit. we're doing a lot to make sure to keep the boat happy, but it always wants to stay unhappy. so it's a challenge being a pilot in the racebird. and how much can you, as the pilot, actually control that? we control the boat quite a bit, to be honest. we're very busy in the cockpit with our paddle shifters, and so our paddles, what they do is they control our trim and they control our lift. and so that is something that we rely on the whole entire time. every second, we are probably pushing those paddles. with the boats back on dry land, there's a question i'm desperate to ask. can we get in and have a look? of course, yeah. brilliant. thank you. it's tight. yeah, it is very tight, yeah. yeah, i think will smith had a bit of a hard time getting into this, actually. can we fire it up?

yeah, of course we can, yeah. we can't go to the full load because we're in the garage, but basically, turn the master on. so itjust takes a little while to boot up. you'll see the screens just flashing on. when the pilots are out in the water, to get that important lift for the speed, they're actually having to press quite a lot of buttons and do quite a lot at the same time. yeah, well, obviously the most important one, which i haven't mentioned at the moment, is this one, which is the boost button. so they're allowed 20 seconds of boost and then they have to have a0 seconds of rest to cool the battery down. it's just drawing too much power. and while they're... and that lifts them up onto the foils. while they're on the foils, we can then obviously play around with the lift, which is on the left—hand side of the wheel, and also on the left—hand side of the screen and the trim on the right—hand side. and we're just altering that by a few points, depending on wave conditions or whether we're going into the corner. this sport is still in the very early stages. the nine teams have the same boat, but they're working out how to push the tech and try to get ahead of the competition. you try not to fly the boat

out of the water because then there's no grip whatsoever. so you actually need to have it in the water, but as high up the water without the foils cavitating, without air being produced around the foils. you need to keep the flow attached to the foils. so that's the trick. and a lot of this is secret. yeah, it's stuff that the teams are working on at the moment. we've all got different ideas about it. and, yeah, it's something that probably we're all doing exactly the same, but we're not going to tell each other that we're doing it. as the day's practice sessions come to an end, are westbrook racing feeling the extra pressure of their owner watching on? we're racers. we're used to this pressure, right? — we thrive off of that. we honestly have the best team. we have the best vibes. we get along great, and it's almost like this crazy little family that we've built so fast, and so super proud to be a part of this team. of course, there's always pressure, no matter what, whenever you get into anything to perform. and so i don't think it's adding any extra, but obviously we want to make him proud and we want to win just as bad as he does.

and so we're doing everything we possibly can to make that happen. doing everything means working late into the night to make sure the boats are in the best condition for tomorrow's races. that was alasdair, and we'll find out how the race went later in the show. now, from race boats to another electric supercharged competitive sport. amz was founded in switzerland by university students from eth zurich, with the aim of pushing electric car racing to its limit. students of the club use their spare time and technical skills to build the sleekest and fastest race car that they can. and i mean fast. spencerjoined them as they prepared for the world's biggest electric car engineering competition.

this is formula student, a world series of events that took place this summer, featuring electric cars built by teams of students from 100 universities across the globe. on tracks throughout europe, the cars competed in disciplines including autocross — racing through formula i—like twists and turns as fast as possible. an endurance trial through more than 20km of track to push the limits of battery management. a test of grip and downforce by basically going round in a circle as fast as possible. and then there's acceleration. it's a drag race, basically, and it's this last challenge that one team, amz racing, absolutely blasted last year,

going from 0 to iookm/h in... well, i'll let you know a bit later. amz includes students from lucerne university of applied sciences and arts and eth zurich, and i dropped in on the team's swiss hq. and up here... ..is the electronics department at amz racing. we're going to meet lara. not that lara. for one car to excel at all of these events, it not only has to have a powerful motor, but also computers have to control the traction and fine—tune the speed of each wheel individually, and somehow, it has to stick to the ground to give the tyres more grip. amz achieved this with powerful fans that actually sucked the ultralight vehicle to the tarmac.

are you building on last year's design or have you completely reinvented anything? every year, we design a completely new race car. i mean, of course we orient ourselves on the design from last year. as you might have seen on the car, the downforce with the fans we had, we improved, not the same concept, but kind of is based on the same... ..on the same physics behind it. is this something you want to do in the future? do you want to work on, like, racing cars? i mean, it'd definitely be fun and really interesting, but i'm not sure yet. we'll see. laughs it depends how it goes this year, right? yeah! and, yeah, the point of this competition is less about the winning and more about the learning. getting to work on such - a project during your studies is an incredible i knowledge gain. i mean, if i compare myself three years ago _ before ijoinedl the association, i knew very little i about engineering compared to what i do now. there are some things that. might get adopted in industry. however, i think the main thing is just to really _

get those engineers. already to have some practical experience| during their studies. so, about that acceleration challenge. now, after last year's formula student competition, the team decided to specifically re—engineer the car to try and break the world acceleration record and go from 0 to iookm/h in the shortest time for an electric car. this was the vehicle and the target time... well, that was already astonishing. so in 2016, eth held the record — 0 to 100km/h in... 1.513 seconds. 0k,1.5 seconds. 1.5 seconds. 0k. and then in 2022, stuttgart came along and did it in... 1.46. so about five hundredths of a second. and then last year,

you came along... ..and did 0 to 100km/h in how much? a bit less than a second. 0~956~ _ applause 0 to 60 in less than a second. what does that feel like? it feels...insane. so you just feel this push, and you can't even blink, it's already over. do you have time to do any steering, or do you have to hope it's pointing in the right direction? you have to hope that it points into the right direction. but this, we control before every start and there is maybe a little bit of steering, but it'sjust intuitive. now, when i visited amz a few weeks before this summer's competition, i got to witness the very first day of testing this year's brand—new car.

expectations were high, all our cameras were set to catch the high—speed action, and... was that close to the world record? i'm not an expert, but... 0k, look, this was actually just a test to see if all the computers and sensors were talking to each other. the fact that the car moved at all was considered a success. but come the formula student tournament itself, amz did brilliantly, winning events in switzerland, hungary and the biggest one in germany. and equally importantly, the next generation of engineers has done its qualifying lap.

honda and nissan are understood to have held exploratory merger talks. the two firms agreed to co—operate on ev projects back in march as a response to that twin breadth of a booming chinese car market and slower than expected demand for battery—powered vehicles. honda and nissan �*s 0liver 700 million vehicles between them last year other than losing market share in china which is the biggest global ev market. a woman from alabama has become the third person in the world to receive a genetically engineered pig's kidney. it is designed to reduce the risk of organ rejection. a doctor who the procedure said that the woman is doing well and has

passed the two—week honeymoon period after the transplant but is now in the time where the risk of organ rejection peaks. finally, a spacecraft backed by us start—up firefly the blue ghost lunar lander is about the size of a garden shed and will take 45 days to reach the moon after launch. it will then remain operationalfor14 days. one of its final tasks will be to record high—definition video of a lunar sunset. this is competitive mountain bike racing, a sport where riders hurl themselves off massive jumps, careen through narrow, tree—lined trails and fly downhill at eye—watering speeds. so i started competing when i was, like, 12, 11 years old. - i used to ride downhill. this is gustavo 0rtiz, a competitive mountain biker and the two—time national champion of his native chile. i was pan american champion,

national champion multiple times, i and i finished 20th in the world cup, i but it was my best result. but while training in 2017, he had a tragic accident. i crashed in whistler and i finished paralysed from my chest down. i did you think you would be able to cycle again? no, it never came to my mind. un coeur. - un etat d'esprit. although mountain biking will be an official sport at this year's olympic games, it's not yet been made an official sport in the paralympic games. that's partially because the bikes needed to race simply haven't existed. many traditional hand cycles are built to be ridden on the road and feature wide wheel bases. occasionally they even place riders kneeling forward. this position puts their centre of gravity higher, something that would make

sharp turns difficult on a loose dirt mountain bike trail. but a canadian company think they've developed a solution. i broke my back in 1996 snowboarding, and prior to that, i loved mountain biking. i loved snowboarding and climbing. i was like a kid who loved the outdoors in canada, and very early on in my injury, i recognised that i was going to be 100% reliant on technology. so a machinist by trade, christian began building experimental adaptive mountain bikes at home. the problem was always that i would tip. i would tip over or, like, i would go fast down a hill and corner and, you know, tip to the outside of the corner. for years and years, he tinkered with different designs, but nothing worked. so he focused his energy instead on a custom cross—country ski chair that could shift and pivot over undulating snow. it was while skiing that a light bulb went off. if he just flipped the ski set—up over, he'd have a system that would allow the wheels

to articulate and absorb shocks independently. the main, main thing is the articulation. i so with that you can, like, i go through skinny sections, you can, like, - crawl into, like, rocks. and then if another rock comes, you just move it _ and it adjusts by itself. the frame can also absorb big drops, allowing riders to maintain speed through technical sections, the same way they would on a standard mountain bike. aside from its articulating frame, these bikes have a few other unique features that make them especially useful for mountain bikers. unlike most hand cycles, these bikes operate with two wheels in the front and one in the back. combined with an upright seating position closer to the ground, riders here can easily shift and pitch their weight to avoid tipping over on sharp turns. the hand cycles also come with pedal—assist motors and there are even fully motorised models as well. currently, each bike is custom—built for the rider and ranges in price anywhere from $13,000 to $20,000. bowhead says their bikes are already in 30 countries, and more bikes and more places

could help the sport offer meaningful competition and worldwide reach — two requirements to become an official paralympic game. even still, christian says these bikes are helping bring a new—found acceptance for adaptive mountain bike riders. we're a part of cycling now, which is huge for us internally at bowhead, but it's way bigger for our customer. like, our acceptance is their acceptance. while it has helped with his racing, gustavo says this technology has helped him get back and enjoy riding his bike again. i feel that i am discovering, like, yeah, another kind - of riding because i was, like, so used tojust racing, - like racing, racing, racing, and preparing for racing, i but now i am, like, just - enjoying the process of riding and going for long rides. and, yeah, like, learning howl to enjoy being in those places.

while we're certain a bowhead won't be at this year's paralympics in paris, they mightjust be kicking up a cloud of dust in los angeles in 2028. now, let's head back to italy, to lake como, to the e1 world electric powerboat series. now, can anyone spot alasdair? there he is! right now, we're on the gentle, tranquil waters of lake como. but all of that is about to be disturbed because it's race day. and who better to explain to us how this competition works than some of the drivers themselves? e1 is a brand—new racing concept. it's foiling boats with an electric motor in a format that's never been done before. the course here is basically

a big figure of eight, but it's a little bit more complicated with the long ramp and the stars and things like that. so you'll see a series of single—point turns| and then turns that| have larger apexes. we're racing in some really spectacular locations on the sea and lakes, and we're really trying to push the foiling technology to the max. so every team has a male and a female pilot, - and it's up to the team to decide _ which pilot will go first. after the first race, - they'll alternate from there. qualifying's done in a single—boat format. so we're all about maximising our one lap time, and then we go into the semifinals and the finals, which is head—to—head racing. the stage has been set. five teams are in the final, but who will win? there's only one way to find out. definitely in e1, the most

challenging part is the start. getting those right can really affect the race. you want to get in the clean water at the front because as soon as you're behind, you're in the wake of the other boats and those waves can really interrupt how the foil performs. you can tell when you'rej having a really good lap, because the racebird has this kind of hum to it when you're| really cooking and flying, and it's really unlike anything. - it's unlike any boat, - anyjet ski, any watercraft. the course is a very simple loop, but those green buoys mark an extra special part of the track, and the teams have to choose very wisely when to take that turn. you have to take the long lap one lap during the race. - you can win or lose races with long laps. if you're at the back, you can do it early and then try to catch the gap back when you've got some cleaner water in front. if you're at the front, you want to do it last so that you can try to build the gap to the others. so it's a big tactical strategy. if you nail the timing,

depending on where you're at in the pack, _ you can either pass other pilots- or you can stay out in front. so a lot of it has to do with team strategy. i the team in the tower- is watching where the other boats are at, and they'll help you with your timing. - it's very much a tactical team thing that we make up as we go. there's no set plan and it completely depends on where we are during the race. and, yeah, it can change in a matter of minutes. at the end of the day, you know. _ the teams really - have to work together. both pilots have | to be consistent. you know, one pilot can be really fast. l if the other one is slower, then it may come down to the wire. _ so having two very consistent pilots that can work togetherl is how you're - really going to win. let's pop that champagne! cheering this is a competition that has attracted some big—name investors despite only being in its first year. but there are challenges ahead. can it keep those celebrity backers,

and can it build a big audience for this high—tech racing? i think the groundwork for this championship is amazing. you know, the names behind it now are incredible. i've heard some good rumours of teams coming in for next year as well, so i think the format is really exciting. i think a lot of people are really interested and excited about the new technology and also, the sustainability message behind the championship, so i hope it continues for many years to come. that's all for this week from the waters of lake como. nice work if you can get it. thanks for watching and we'll see you next time. hello there. earlier on today we had some snow falling over some of the hills. the snow now more confined to the mountains of scotland. but we've still got cold air, originating all the way from greenland and iceland.

this is polar maritime air, it usually comes with a lot of showers and that's certainly what we are seeing today. certainly feels colder as well, temperatures 6 or 7 degrees but feeling colder than that given these really strong winds that we have. the winds are picking up in eastern england but the strongest winds are further west and north, where around coastal areas the winds could be gusting 60 or 70 mph. those stronger gusts come where we see the showers, but those showers this evening are going to start to fade away. they'll last for a bit longer in northern scotland but even these should move away, the winds becoming lighter overnight, and with clear skies it's going to be quite chilly. i think the lowest temperatures will be across scotland and the north—east of england where we could get a touch of frost, and given the earlier showers, some icy patches as well. the area of low pressure that's brought the windy weather is going to be weakening, heading its way towards scandinavia. we'll start to draw in some atlantic air eventually from the west but ahead of that we start with some sunshine after that chilly start. the winds continuing to ease. the cloud will increase

from the west gradually through the day and across these western areas we'll see a bit of mostly light rain or drizzle. here the winds will be more south—westerly, that's going to drag in not just cloud and damp weather but lift the averages. out toward the east where it stays drier and brighter for longer, still going to be quite cold, temperatures of 5 or 6 degrees. but that colder air will be pushed out of the way, that weather front taking some dampness across the country. then we will find the south—westerly winds, the air originating all the way from the azores, that will bring milder air for christmas eve. but that mild air comes with a lot of cloud, a bit of dampness and drizzle here and there, mainly towards western scotland where the winds will be a little bit stronger but certainly lighter winds further south. south—westerly winds, then, lifting the temperatures, bringing the cloud and we could see highs of 13, possibly even 1a degrees on tuesday. so quite a sudden change to the weather if you like. we'll stay in that mild air for christmas day as well. the cold airjust to the north—west of the uk. and along that boundary

there may be a bit of rain but it's more likely to be a grey christmas than a white christmas because of the milder conditions. the winds will be lighter and for many places it will be dry.

live from london. this is bbc news. the man accused of the attack on a christmas market in germany is remanded in custody, charged with five counts of murder and multiple attempted murders. mourners in magdeburg continue to leave floral tributes for the victims who include a nine—year—old boy. a church of england priest with a history of child sexual abuse allegations was twice re—appointed to a senior position, the bbc finds. israel's military carries out a fresh wave of attacks across the gaza strip, hitting targets in gaza city, rafah and khan younis. the winning number is drawn in spain's annual christmas lottery, known as el gordo.