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>> this is "bbc world news america." a crucial u.s. partnership hangs in limbo as soldiers declare a new leader. it's scorching hot here in the u.s. and temperatures are sending those folks who adapted to the heat of the edge. republican presidential hopefuls share a stage in iowa for the first time for the 2024 race to the white house. ♪ welcome to world news america, we start at west africa with the nation is grappling with ramifications of a military coup. the democratically elected president and the u.s. ally was

overthrown as part of the coup. it was the first elected leader to receive another independent since the year of 1960. on friday, the general, who also goes by omar, appeared on state television earlier friday announcing himself as the country's new leader. he was dressed in full military gear as he was the national council for the homeland and he urged the population to remain calm. take a listen. >> if the action is motivated by the sole desire to preserve our beloved homeland. in the face of the continuous deterioration of the situation of our country. the foreign authorities have failed to give a real solution to the crisis and have provided poor economic and social governance.

->> white house national security spokesperson had this to say about that coup earlier on friday. >> we have watched this with deep concern. we condemn any effort to detain or to subvert the functioning of the democratically elected government. we would advise all americans there to be careful about where they are and what they are doing. >> our bbc correspondent has been following those developments from their neighboring countries of nigeria. >> the coup has been condemned by the regional and international community but has gotten that support and the backing of the military hierarchy, as well as some citizens who have come out to demonstrate and show their support for the action of the soldiers. the landlocked country, rich in uranium, but one of the poorest in the world, has joined three

other countries that have been under military rule to become the fourth country in the west african subregion. the regional block will now be working to see how it can negotiate a quick transition to military rule. in the -- at the moment the whereabouts of the president is not known. he is believed to be detained by the military and the presidential palace. he would be forced to sign a resignation that would effectively hand over the government to the hands of the military. it is used as a hub and a fight against jihadi's. but there are no indications that a coup risk affecting the fight against jihadi extremism and collaboration of western allies, especially france and u.s., would have their places in

the country. bbc news, nigeria. >> the extreme heat that began in the u.s. southwest is now being felt in central and eastern regions, baking a majority of the country and putting some 200 million americans under extreme weather warnings. we are seeing record-breaking temperatures in several major cities, including in phoenix, arizona, which saw its 28th consecutive day with a high temperature exceeding 110 degrees kick fahrenheit or 43 degrees celsius. the brutal heat is start -- harming the states resilient cactus. experts warned the plants are losing their limbs, collapsing, entirely transforming in shape. >> the heat is affecting everybody. we are kind of concerned because we have seen the waters, but

this can happen to any type of cacti. we have seen them suffering the effects of extreme heat and drought. everybody always have thought that cacti are perfectly adapted to heat and drought, but plants can hold on during the whole dry season for this wet season to arrive. but they just can't hold on for so long. and when the rain doesn't arrive on time, the plants start suffering from internal damage. we still don't know if this is related to extreme heat and drought due to climate change, but we suspect that is the case. >> the ongoing heat wave is not only threatening nature, but also our allergies, the centers for disease control and prevention is projecting a steep

case of the syndrome, that's because the tick that carries it has been moving north as temperatures warm, what is this syndrome? it's a rare meat allergy from a to fight that may have already impacted as many as 450,000 americans. symptoms vary from person to person, but according to the cdc, they can include stomach cramps, they might experience diarrhea, hives or itchy wretches in a shortness of breath that could trigger fatal anaphylaxis. mosquito borne disease cases are of concern. just last month in the u.s. the cdc identified a handful of cases where malaria was transmitted locally from mosquitoes in texas and in florida. that's important because that's the first time that has happened in some 20 years. joining me to discuss all this is dr. carrie, she is the world health organizations first ever special envoy for climate change and health, thank you for being here, we heard earlier that

shocking number, 200 million americans under some sort of weather warning today in the u.s., seeing record-breaking temperatures. how have you been seeing this extreme heat impacting our public health during this crisis? >> thank you very much for having me join you, the reality is, the climate crisis is a health crisis and we are seeing people's health impacted in every possible way, whether it's through an increase in noncommunicable disease, an increase in vectorborne diseases, you talk about the loan start tick transmission and malaria, maternal health is being impacted, our mental health. we are seeing this across the board. extreme heat is -- has actually killed 60,000 europeans last year and is affecting hundreds of millions of americans. put its affecting our health, our ability to go to work and our productivity and we are only seeing more and more of this.

the reality is, we have to take climate change seriously because it's impacting our ability to be well and be a part of our lives on a daily basis. >> we saw some steps being taken by the white house on thursday, some climate related and heat related steps including climate alert inspections or workplaces that are outdoors and very susceptible to high heat. in your opinion, has the white house, has the bite in a ministration and doing enough to try to adapt the country to these extreme temperatures that we've been seeing? >> i fully agree with the president that climate change is an existential threat to our time and to our population and to this world right now. and, i think the reality is, we as a global community have to look very seriously at whether we are making bold enough progress to reduce greenhouse gases and to protect ourselves

and our well-being going forward. one person dies every five seconds from air pollution. that means 7 million people a year, that's more than died in the entire covid pandemic, globally, throughout the time. further, the u.s. and extreme heat is expected to lose 100 billion a year in productivity, loss labor and all of these pieces. we are facing an existential crisis of our health. we are facing an existential crisis of our ability to have economic growth and well-being, 1.2 billion people are expected to be displaced between now and 2050, so we are facing a crisis of migration, and we are not on track to reach the paris goal of 1.5. we are looking at a 2.4 to 2.6 degree increase in celsius at the rate we are going. by the deadline. that is going to have massive and even unforeseen complications.

we have to give very serious about this now and today and we need to be bolder and we need to really understand the profound implications of climate change on every aspect of our lives, but especially our health, which is the human face of climate change. >> what we just heard earlier about the mosquitoes and tickborne diseases, 10 people across the united states will leave to contracted malaria in the united states, and this was a disease that was all but eradicated for many decades. what is the link here between climate change and now something like area? >> -- something like malaria? >> climate change is changing our habitats and with the warming of ocean currents and winds and winds in all these pieces, what happens is we see the warming temperatures, the vectorborne diseases are able to move into new places that they haven't been for a long time. dengue is now expected to impact over half the world, for

example, so we are seeing a real change in the where ticks live, mosquitoes live, where we are able to contract some of these diseases, and it's going to have very profound impacts on our health. but also, on the economic earnings of our ability to go to work, earn a living, take care of our family and all of these pieces as we get sick. so, i think that we are just at the tip of the iceberg on this at this point, but it's really a reflection of how changing weather patterns are making it easier for these diseases to spread and to go into new environments that they haven't been in before. >> given what we've seen not just in the united states but you mentioned that statistic, 6000 some people dying last year in europe during that heatwave, how prepared do you think the world is for these heat waves, which scientists say will only become more extreme and more frequent in the future? >> it's not just heat waves,

it's extreme weather events, it is flooding and monsoons that will be rising sea levels, change in vectorborne diseases, it's the air pollution that is killing someone every five seconds. we are getting hammered across every number of different aspects of our health by climate change, and we have not done enough to prepare ourselves for this moment. the covid pandemic shows us that despite all of the money that we put into various aspects of health or that we spend on health, like in the united states. we still were stopped in our tracks by covid. the reality is, we need to invest in strong preventative care systems, primary care systems in a strong health workforce that is able to manage all of these different disease burdens, and if we make those investments today, we actually will have savings in the long run. we spend so much more reacting

to disease than we do on the front side of prevention. >> dr., the world health organization special envoy for climate change and health, thank you so much for being here. >> thank. >> it's been a devastating and fiery week in the mediterranean area. places sweeping across greece, nigeria and italy. authorities have thought to contain them. residents grappling as the blazes carve a path of destruction. increase greece, wildfires triggered an explosion at an ammunition depot forcing evacuations and sending shock waves to surrounding towns. the powerful explosion was felt miles up the coast prompting some residents to leave the area by sea. at the tunisian-nigerian -- algerian border, fires have, but not before causing widespread destruction. dozens have been killed and residents are returning to charred homes and lost livelihoods. in italy, repeated wildfires have forced evacuations and turn

the ground -- while the intense heat is one driving force of the flames, locals and authorities suspect that arsonists may also be sparking some fires in the region. to some new developments, moscow is claiming it has shut down to ukrainian missiles over the southern area of the country. they say one of them was intercepted over the city of -- close to the border with ukraine. fragments of the missile injured civilians and damage buildings. it comes as ukrainian officials tell the bbc his country's forces are making steady progress in a counter attack against russian troops on the southeastern front line. in the video published by ukrainian president volodymyr zelenskyy, ukrainian troops had taken a village to the east of the city under intense fire and airstrikes. the russian president said ukraine's attacks have significantly intensified. our correspondent gave us his assessment of the latest developments on the battlefield

in ukraine. >> how successful this counteroffensive has been depends on who you ask. it is clear on this southeastern part of the front line that there has been a major push that ukraine is concentrating a lot of men and machinery in the claim this morning was that the village had been liberated. it is relatively small. we are talking about five kilometers but there are reports of heavy shelling. analysts are describing a full frontal assault towards the city that's further southeast. so it is clear ukraine is trying to make moves. there are unnamed sources, unnamed u.s. officials who see this as the start of a major thrust, but ukraine, kyiv is trying to water that down a bit, saying any talk of the major push through is premature. but a push through is what ukraine needs. it needs to push through, it is hoping to in this part of the

front line, to effectively cut russia's occupied land corridor in a half. that would occupy tens of thousands of troops and bring crimea comfortably within its side. edwin kyiv hopes is that it will bring moscow to the negotiating table and force a sizable compromise. but, i've got to stress, a lot needs to happen, it's too early to say whether this is the start of something much bigger. >> former u.s. president donald trump is denying any wrongdoing and plans to press on with his presidential campaign, even if he is convicted with new charges against him in a classified documents case. federal prosecutors accused trump of pressuring an employee at his florida resort to delete security footage, showing the movement of classified documents. this is part of the ongoing investigation into his handling of secret papers. trump's campaign continues tonight in iowa as we inched closer to the u.s. presidential

election in 2024. a majority of gop candidates will be in attendance at the lincoln day dinner in iowa. trump is still the front runner for the republican nomination. he will be there alongside rival ron desantis for the first time in the same campaign event since both announced that they were running in both are scheduled to speak. our north american editor, sarah smith, joins us from iowa where the dinner is taking place. we are expecting to hear from just about every republican contender, including donald trump, what is the significance of this event? >> iowa, as you well know, is the first state to nominate who they want to be the republican candidate for president. it does give a lot of momentum to whoever wins the iowa caucus, that's why most candidates spend an enormous amount of time in the months leading up to the iowa caucus in this state, campaigning. donald trump is playing it

slightly differently, he didn't win the iowa caucus and still went on to win the nomination and he spent less time in this state than most of the other candidates. but he is coming here tonight, alongside another dozen of them. people will be watching carefully at his speech but also ron desantis, some of the other candidates who are up-and-coming, and watching the interaction between the mall will be fascinating. >> these three new charges against former president trump, how is that expected to play out and how will the other candidates address those? >> donald trump himself, as you know, usually comes on absolutely defiant. you seen him indicted on other criminal charges before and he usually makes a speech where he decries a political witch hunt, he says he's the victim of, and tries to find a way in order to use these criminal charges to boost his electoral campaign. what's going to be interesting is what the other candidates say. most have been very reticent

about criticizing donald trump because they worry about alienating his supporters if they attack them. but, at the same time, here is somebody they are running against, the candidate whom they are trying to defeat in the race to become the republican nominee, so you think they would take some kind of a shot at him and say, a person who has been accused of all of these criminal offenses isn't fit to be president of the united states. some of them probably will, others may back off. ron desantis was speaking today already and he didn't directly criticize donald trump. that's one of the things we will carefully listen for as all of the candidates give a 10 minute speech your this evening. >> briefly, if you can, donald trump is still leading this race by a wide margin, is there anything the candidates can do tonight or in iowa in their campaigning to try to close that gap? >> there seems to be almost nothing donald trump himself can do to close the gap. these had a few missteps in iowa. he has come less frequently than

the other candidates. he has skipped the events the candidates are expected to turn up to. this wiki criticize the popular republican governor and none of that seems to have dented his popularity in the state where he is still very much the clear front runner. finding a way to break through this block he seems to have on a lot of republican supporters is what all the candidates are trying to do, we will see if they have any ideas tonight. >> our north american editor on the campaign trail for us in iowa. thank you so much. now to israel where the military says the country would be total united against any attempt by militant groups to exploit its current social unrest. for months, there have been protests over legal changes aimed at limiting the israeli supreme court powers. there have also been often on tensions at the border separating israel and lebanon. that has shown some signs of escalating as our middle east correspondent reports. >> a journey to one of the middle east's most explosive

boundaries. the israeli army is fortifying its frontier along the so-called blue line. across the divide is lebanon, and the dominant armed group there hezbollah. the wire is a hair trigger. and those who live up against it are seeing the signs of tension again. >> this is the sick point of it. and you see that over there, and all that above that is all lemon on. 48 hours ago, people were shouting at us, we will kill you. quick c farms here and he tells me he just filmed armed men watching him. have you seen that kind of thing in previous years or is that new? >> it's new. you don't see that before. and this is what makes me nervous a little bit. if they would shoot at me or kill me, or try to, the army

will attack. then we can come to a war. >> this was an israeli drill held a month ago. the country last fought a devastating war with hezbollah in 2006. some of the posturing along the blue line has happened ever since. but this year they've seen it come closer with the rhetoric heating up. the israeli army has been carrying out breaches, that has probably leader. this week he pointed to israel's political unrest saying the country was in crisis. close to the line, has below was flexing its muscles and revving its engines during this drill. it's a fight in the shadows, the risks engulfing the region. there's a helicopter circling, you just feel the tension on this particular frontier. it is in effect, a front line between israel and iran as part

of a much wider regional fight. what happens here has the potential to spark war. israel backed the building of the fence around this town in the israeli occupied territory that goes into lebanon. in the fence itself, a few weeks ago is targeted by anti-tackiness coming from the other side. israeli has responded with artillery fire. i visited the israeli military on inside of the line. >> it's a hezbollah observation tower. >> they are watching us now? >> yes, we are being watched. they are poking us and we are defending our border. the risk is that it will escalate. hezbollah has made mistakes before, let's hope he doesn't make it again because he will meet it at full force. >> israel is in violation of the blue line. they do acknowledge the breaches. >> there is a diplomatic effort to come to these areas period hopefully we will come to an

agreement when we fly in lebanon. it's focused on targeting things that threaten our country. >> neither side seeks a major escalation, but it is a dangerous standoff along the tripwire to conflict, and both of them are now more fiercely armed than ever. tom bateman, bbc news, petula in northern israel. >> finally, u.s. space agency nasa is preparing for future minute -- future missions to mars by taking a trip to somewhere a bit closer to home, scotland. scientists are on the aisle collecting ancient rocks that they believe are similar to those that they may find on mars. they will use those rocks to practice testing methods before a space mission returns with samples from the red planet. right now math -- nasa's perseverance rover is collecting the samples that will come back to earth and about 10 years. thank you so much for watching world news america. narrator: funding for this presentation of this program

is provided by... narrator: financial services firm, raymond james. narrator: funding was also provided by, the freeman foundation. and by judy and peter blum kovler foundation; pursuing solutions for america's neglected needs. ♪ ♪

♪ >> good evening. tonight, former president trump faces additional charges for trying to delete security camera footage in the classified documents case. a prominent hong kong dissident in exile describes the chinese government crackdown. >> they have never had the support of the people. they have hijacked democracy from the chinese people. >> increasing pressure on local pharmacies. ♪