this is bbc news. the headlines: flying in the uk may have to be restricted because of climate change, admits the government. campaigners say a rethink is essential. we know we have to reduce our emissions urgently and radically and expanding them is going in the opposite direction. it doesn't make sense. aid workers say a pledge by houthi rebels in yemen to withdraw troops from key ports is a big game changer, as it may open a lifeline for millions of people facing famine. the signs on the ground are people saying it is tentatively looking good, but let's see in the coming days if that is fulfilled. jeremy corbyn announces that labour will pay 16 and 17 year olds the same minimum wage as everyone else — if it wins the next election. fly—tipping in england

is up by nearly 40% in the past five years. and councils say nobody has yet been given the maximum sentence. and click investigates police deployment of facial recognition. that's in half an hour, here on bbc news. concerns over climate change might restrict the growth of aviation in the uk, the government has admitted. a senior civil servant says ministers may have to review their strategy, including plans to expand heathrow. it follows a recent warning from the committee on climate change, which advises the government, that the planned increase in aviation would need to be curbed to control carbon emissions. our environment analyst roger harrabin reports.

flying is on the up and the government has been planning for it to continue to grow. what about climate change, you might ask? under current policy, industry will have to cut more greenhouse gases so aviation can expand. but the government is now considering a plan to virtually eliminate emissions by 2050. and a civil servant has admitted in a letter to a green group that it may have to take note of advice from the independent climate change committee, saying that although people could continue to fly while meeting climate change targets, it was not possible for aviation to keep on expanding. in the end, i think the logic of this is completely inevitable. we know that we have to reduce our emissions urgently and radically and expanding them is going in the opposite direction. itjust does not make sense and i don't think the public want to see the government committing to a plan that is inconsistent with a safe and prosperous future for all of us. any policy change may affect

controversial plans to expand heathrow. it definitely means the government will have to think hard about whether aviation can continue to grow at a time of what parliament calls a climate emergency. earlier i spoke to paul charles, an aviation consultant and a former director of communications for virgin atlantic. i think the industry is taking the concerns very seriously indeed. there are a lot of measures which several leading airlines from the uk and across europe are taking, such as carbon offsetting, such as flying the best planes available which are the best planes available which are the least polluting, such as using training for their pilots where they are flying, they are burning less fuel, flying things such as continuous descent approach so when coming to land, they use less fuel, a number of measures which airlines

are taking up the industry has not moved fast enough and this is why the government has a conundrum. it knows it needs to help the industry grow, it knows it needs to help the industry grow because it helps the economy, but equally it knows there isa economy, but equally it knows there is a climate emergency it has to deal with. it's a real balance and the pressure is on the industry now to do more than it has done in the last ten years. the idea that aviation can keep on expanding, surely that has to be challenged now? it is right to challenge it, absolutely as it is with every other industry, but the industry can grow if it seeks to achieve net zero emissions or negative emissions which would be ideal. if the industry can do things such as produce aircraft which burn not fossil fuel but perhaps use electricity through engines, if carbon offsetting can offset all of those flights and passengers pay

more to do so, at the moment not many passengers are doing that, and if the planes themselves are super efficient, then all of those things over the next 20—30 years can contribute to zero emissions and that has to be the challenge for the industry. don't sit still, don't do this by peaceable, actually achieve something that is going to be a sea change for the industry. what happened to that use of biofuels that virgin tried about ten years ago? absolutely, ten years ago i was involved in a biofuel flight which virgin atlantic flew from london to amsterdam and with boeing and general electric it was seen as the start of something potentially quite big. but biofuels have not taken off in the way that everybody predicted, there are question marks over the use of some biofuels so the aviation industry in particularly the engine makers like rolls—royce, general electric, they had to work now

urgently on producing engines that are not burning fossil fuels, there has to be the answer if the aviation industry wants to grow and if it wa nts to industry wants to grow and if it wants to make the best use of any further runway as it happens. you have pre—empted my next question rather nicely. how likely is it then that this third runway at heathrow will have to be revisited? personally i don't think the third ru nway personally i don't think the third runway will ever happen, i really don't. there are so many arguments over it, it is doomed to failure. sadly the industry has not proven it is capable of growing in the way needed to deserve a third runway so it may well have to find other ways of growing through flying larger aircraft which hopefully in future will burn much less fuel, but there are so many arguments over the third runway, i don't believe it will happen in my lifetime. the united nations says houthi rebels in yemen appear to be honouring a pledge to withdraw troops from key ports. it's the first signficant step since a ceasefire agreement

was signed in december. the three ports are crucial for the distribution of international aid, in a country where millions are on the verge of starvation. for the last four years, the houthi, supported by iran, have been fighting the yemeni government, which is backed by a coalition of countries, led by saudi arabia. a warning, this report from the bbc‘s chief international correspondent, lyse doucet, contains some distressing scenes. a vital lifeline for a nation on the brink of famine. nearly all of yemen's aid comes through here. the houthis control this port and two others nearby. now they say they are pulling out theirfighters. if they do, it's the first step in the deal reached in stockholm in december, hailed then as a rare breakthrough. now the deal is on the verge of collapse. so is yemen, a country facing what the un calls the world's worst humanitarian crisis.

images like this have shocked the world. not enough to end a brutal war between houthis aligned to iran and yemen government forces backed by a saudi—led coalition and armed by the west. earlier this year we saw how a fragile ceasefire in hudaydah was largely holding. but both sides agreed in stockholm to withdraw their forces from this strategic corner of yemen. there is deep distrust. if this first step succeeds, it could lead to broader peace talks. if it doesn't, yemen's best chance in years could also fail. lyse doucet, bbc news. sanj srikanthan is head of the international rescue committee in europe. he told my colleague shaun ley how significant houthi rebels withdrawing from major ports like hodeidah will be. if it is carried out it is huge, because over 50% of the aid yemen needs

and there are 2a million people who need aid, 7.5 who are malnourished, this can be a big game changer. there are huge amounts of food aid a medicine that can come through and it lessens the burden on aid committee is trying to save as many lives as possible. in effect it will make your chances easier if you can get your own stuff through? absolutely. we are seeing children coming to us malnourished, getting treated and then going back and coming back malnourished again because there is no food in the community and hodeidah opening up and getting commercial and humanitarian access will change that. what impact has this had on yemen? it has displaced 3.5 million people, this has the largest population of malnourished children under five. the conflict is taking no account

for civilians at all. neither humanitarians or civilians are being respected and our sincere hope is that this is the first step on a long track to peace but it is only the first step and there is a long way to go. you are going to go out there shortly, what operation have you got on the ground? is this a country where it is possible for your operatives to travel freely and actually get to all parts of the country? health care is our biggest service provision on the ground, reproductive health care so mothers can deliver babies safely, giving them the nutrition they need to keep the children alive especially in the first five years. it is possible to work but it is very dangerous and we are having to work around the conflict. both sides are not taking account of humanitarians or civilians so it is becoming very difficult and our operations will continue with hodeidah open but hopefully we will see a lessening

of the demand for our help. are you worried that because this is a unilateral move by the rebels, that when they move out of hodeidah, otherforces might move in and it might not simply be a case of opening the port up, and the problem remains? whoever is in charge of hodeidah, they have got to respect the access humanitarians need to bring aid in, and there will be a lot of negotiation about this and we would like all sides to adhere to what they agree in stockholm and for the un to be given access to monitor what happens next. it has been a painfully slow process? it has. we did see an intent to see this happen in february but it did not happen, but now the signs on the ground is that it is tentatively looking good but let's see in the coming days whether that is fulfilled and the lives of people are saved. a point about the port, i saw in the notes that there

is a vast store of grain in the port that has been inaccessible for many months, what chances of any of that actually being used ? i think it can be used but we need to see what it looks like, but more importantly there are ships coming in with fresh aid and medical supplies, and as the international rescue committee, we can use this to save lives, that is our hope. they can come in quickly? yes, aside from the military withdrawal, assuming we have the port actually functioning, and the port authorities able to do theirjob, and no bureaucracy preventing aid coming in. the united states says it's ready to defend its forces and interests in the gulf, as tensions with iran escalate. the pentagon is sending an extra navy ship and a patriot air defence missile system to the region,

but said it was not seeking conflict with tehran. two men have appeared in court charged with rioting offences in londonderry on the night that journalist lyra mckee was killed. the men are accused of riot, petrol bomb offences and arson of a hijacked vehicle. ms mckee was shot dead while watching disturbances in londonderry last month. our reporter louise cullen is in belfast and has this update. two men appeared in court in londonderry magistrates‘ court. they were 51—year—old paul mcintyre from bally mcgowan park in the creggan area of londonderry. and 38—year—old christopher gillen, who is from bell lane pass in the city. both men are charged with riot and petrol bomb offences. paul mcintyre is also charged with arson of a hijacked vehicle. while christopher gillen is also charged with arson and hijacking of a tipper truck. both men refused to stand and acknowledge the court when they were brought into the dock. a detective said that the evidence against the men had come from mobile phone footage

handed in by members of the public and also from footage seized from a documentary being filmed by mtv on thursday the 18th in derry. which included filming in the offices of the distant republican linked group suru in derry and also writing in the creggan during which lyra mckee were shot. he also said he believed the two men ringleaders. both men were denied bail when thejudge said he didn't believe there was a safe address in the city at any stage for them to be remanded to and they were both remanded in custody. the headlines on bbc new: concerns over climate change might restrict the growth of flying in the uk, according to a senior civil servant. aid workers say a pledge by houthi rebels in yemen to withdraw troops from key ports is a big game changer, as it may open a lifeline for millions of people facing famine. jeremy corbyn is pledging that labour will pay 16 and 17 year olds the same minimum wage as everyone

else — if it wins the next election. in sport, aston villa have the advantage in their championship play—off semi final against west brom. they won the first leg 2—1 at villa park. the second leg is next tuesday. wsl champions arsenal finish the season on a high beating nearest rivals manchester city by a goal to nil. it was city's first league defeat of the season. joss butler makes a century as england's cricketers pile on the runs in the second one day international against pakistan. they're 315—3 as they approach their 50 overs in southampton. bow test bottas gets the best of hamilton. labour has said that if it wins power, it will change the minimum wage, so that 16 and 17 year olds will be

paid £10 per hour — up from the current rate of £4.35. it would put them on the same rate as that pledged by labour to older workers. some business leaders say it could risk reducing the number of under 18—year—olds in work, especially apprenticeships. here's our business correspondent katy austin. how much should you pay a young person to work for you? workers in the hospitality and retail sectors are the most likely to be on lowest pay. today, labour said the youngest employees should be paid more. we will abolish the youth rate of the minimum wage, workers should be rewarded for their work not their age. equal rights for workers means just that. irrespective of age, gender, nationality or ethnicity. at the moment, the independent low pay commission advises the government on what the minimum wage should be. workers under the age of 18 are currently entitled to a minimum

wage of £4.35 per hour. for over 25 nearly double that, £8.21 per hour. under the labour plan, a £10 per hour living wage would extend to people under 18, adding, it says, £2,500 to the amount 16 and 17—year—olds earn each year. this is a big change, we do not know what the effect would be because nothing like it has been tried before. this is more than doubling the minimum wage for 16 and 17—year—olds. the risk is that employers might not want to take them on at £10 per hour and if this applies to apprentices, it may reduce the training some of these young people are getting. labour says it will give smaller firms support to help them afford the rise, saying it would savings from a reduction in the amount the treasury pays in in work benefits to pay for it. the group representing small businesses told me firms are already squeezed and it wants to hear more detail about what support would be

on offer to help them shoulder the cost and avoid job cuts. the conservative vice—chairman for policy said... labour's idea is clearly designed to appeal to younger voters. the verdict from businesses, more detail needed. the chairman of the 1922 committee of backbench conservative mps — sirgraham brady — says he expects theresa may to give more detail in the coming days about her plans to leave downing street. the prime minister is due to meet the committee's executive next week. earlier i spoke to our political correspondent, jessica parker — who said that sir graham has asked for clarity from theresa may. he represents the views of backbench

conservative mps. those views do va ry conservative mps. those views do vary but there are certainly some conservative mps, there is increasingly the case, they want theresa may to set an unconditional timetable for her departure. she says she will go once the withdrawal agreement, the divorce settlement of leaving the eu is in place. sir graham brady, he has said that he does understand why the prime minister might be reluctant at this stage to name an exact date. minister might be reluctant at this stage to name an exact datelj minister might be reluctant at this stage to name an exact date. i don't think it's about an intention of staying for indefinitely as the prime minister or leader of the conservative party. ithink prime minister or leader of the conservative party. i think the reticence is the concern that by promising to go on a certain timetable it might make it less likely that she would secure parliamentary approval for the withdrawal agreement rather than more likely. how likely is it she will have to go of her own accord rather than being given the sharp?

who can say what will happen over the coming days and weeks. what sir graham has also said is he thinks it would be strange if this meeting didn't result in some clearer understanding of theresa may's plans for departure but theresa may wants to secure some kind of brexit legacy and if she does feel that naming an exact date that opponents are more likely to dig in rather than relent because they can see how departure date in sight, perhaps she is not going to want to name an exact date, so they might ask her for that this coming week, but there is no guarantee they may get it. does sir graham want to throw his hat in the ring for a leadership battle? he has said he has not ruled it out. in just 12 days time voters will be asked to elect 73 representatives into the european parliament. the delay in a brexit deal being decided means the uk is obliged to take part in the european elections on the 23rd may. tim muffet has been to grimsby, which overwhelmingly

voted to leave the eu, to see what businesses and residents think about next week's vote. gutted. that is howjohn feels about the uk's participation in the european elections. it is absolute disgraceful. will you take part in the elections? no, iwon't. what is the elections? no, iwon't. what is the point of noting if they don't do what you are asking them to do. they way we traditionally smoked haddock and salmon is unchanged for centuries. the tannins and the flavours within the fabric of the building are part of that taste so white but when it comes to european elections, for some employees there isa elections, for some employees there is a whiff of anger. i don't think we should be voting on the first place. it is a waste of time and money. in the 2016 referendum, grimsby was one of the most pro—exit

pa rt grimsby was one of the most pro—exit part of the uk, 70% of those voted did so to leave the eu but for this company, eu rules and regulation play a vital role. we have a protected geographic indication and the indications are something given not easily by europe. things like parma ham champagne. in lincolnshire there is only one protected food name and that is grimsby traditional smoked fish and it took us several yea rs smoked fish and it took us several years to acquire that. we need to look after it. how do you feel about the fact we are taking part in eu elections? we need to get engaged because if we stay in and there is every chance we may, we want somebody in there who will represent our interests. the fishing industry in grimsby dates back over 1000 yea rs. in grimsby dates back over 1000 years. legend has it the town ‘s name comes from a danish fisherman who settled here. today it lies within the yorkshire and humber europe in european constituency.

haven't delivered on brexit. it is a big circle where the common man are not getting listen to. those voted to remain will take it seriously this time. do you think there has been a change because of the referendum? yes. it has brought it to the four. i don't know much about europe just about brexit and what we we re europe just about brexit and what we were supposed to get and didn't get. this constituency elects six meps. at the last election it picked one conservative, two labour and three from ukip. this time those parties will be up against the liberal democrats, the english democrats, change uk, the green party, the brexit party and the yorkshire party. confused because you don't know which direction to look in. party. confused because you don't know which direction to look inm is not in everyone's face as it should be. i don't care. i am not interested. if brexit has made some

more engaged with politics, it has had the opposite effect on others. political changes across the north sea are leaving many here cold. you can find out more about who is running in the european elections on the bbc news website. fly—tipping has increased by almost 40% in the past five years according to councils in england. the local government association said nobody convicted of fly—tipping since 2014 had been given the maximum penalty of a £50,000 fine or a year in prison because of funding pressures. the goverment says they've strengthened local authorities‘ enforcement powers. john read founded the organisation ‘clean up britain‘... it is very sad for this country. we live in a beautiful country but there are significant people who treated really badly and i can only describe it as environmental vandalism. it is a terribly sad

thing for us all. there are different levels of fly—tipping but at the most serious and come around certain parts of london, there are serious organised crime involved and they can earn up to £25,000 for fly—tipping sometime during the week or whenever people are not around. there is that level but also at the other end there are individuals and people who get waste carrier licenses from the environment agency, an offer to dispose of people‘s waste. there are different, there is a scale. anybody can get hold of a waste carrier ‘s license from the environment agency, it cost £244 and there was that story where a yorkshire terrier who was owned by a yorkshire terrier who was owned by a gentleman who applied for a licence and got it. the quality and stringency of the checks they are undertaking clearly wasn‘t up to scratch there. you cannot assume just because somebody has a waste

carrier ‘s licence that they are going to dispose of the rubbish sensibly and responsibly. people really have to be very vigilant and carry out extra checks when people say they have a licence. lgbt models were on the catwalk at an event showcasing pakistani fashion in london this week. it also featured britain‘s first muslim transgender drag queen. 0rganisers say it was a nod to the passing of a recent bill in pakistan which banned discrimination against transgender people. bbc asian network‘s shabnam mahmood has more. music a pakistani fashion show with a difference. these models are all from the lgbt community.

making her debut, britain‘s first out muslim transgender drag queen. within the last year in pakistan, there has been quite a lot of government bills that have gone through, especially around transgender rights. i think actually pakistan fashion week highlighting that within the fashion runway, i think is a really great move forward. strutting their stuff during rehearsals. it‘s the first time the event is featuring a transgender catwalk since it began almost ten years ago. the world is progressing and pakistan progressed. i thought why not give it a shout as being celebrating freedom. fashion has no boundaries, i always say, so why limit the fashion for any gender, for any person, any race or any caste. fashion is for everyone. last year, pakistan‘s parliament passed a law protecting its tra nsgender community and banning discrimination against them. this show is celebrating the landmark move. teaching people to be tolerant, accepting of one social issue will potentially create

more equality for all. particularly for this line it's important for me to show visibility and solidarity for other communities other than the transgender community. a lot of people don't actually realise how many ethnic, notjust black, but ethnic, gay people there are out there. it is a high community and i wish to bring out awareness to it. and the clothes on display have been made to appeal to all sexes. i do understand that our brands are primarily focused to define genders, like either do a men‘s line or a female line. but the world is moving into different directions, like we have come up with this unisex range which caters to all kinds of ranges. who am i to discriminate against who wants to wear what? 0rganisers are hoping gender neutral fashion will become a permanent feature in their future events. shabnam mahmood, bbc news. now it‘s time for a look at the weather with chris fawkes.

it has been a day of sunshine and showers with dramatic clouds filling the skies across central and western england, clouds like these threatening skipton in north yorkshire. there are showers still lasting across eastern england for a time during the next few hours, so still a few heavy downpours around. essentially those showers will fade away as we go on through the night and with light winds and clearing skies, it will be a cold night, cold enough for temperatures in towns and cities to get down to low single figures. in the countryside you will see tints of blue on the chart, if you purchase or frost to start sunday. a chilly start to things but plenty of sunshine throughout the day thanks to high pressure building. high cloud in the western isles making the sunshine hazy and if you showers for the northern isles, but otherwise dry. 16 in

edinburgh and manchester, 17 in cardiff and london. hello this is bbc news. the headlines: concerns over climate change might restrict the growth of flying in the uk, according to a senior civil servant. the un says houthi rebels in yemen appear to be honouring a pledge to withdraw troops from key ports opening a lifeline for