this is bbc news, the headlines: there are long delays for some passengers travelling to the uk after a nationwide issue with the border force system has lead to problems with e—gate passport controls. it's the final day of campaigning in turkey ahead of one of the country's most divisive presidential elections where the economy and immigration are key voter concerns. huge political rallies have been held to drum up support. ukraine's most senior security official tells the bbc the country is ready to launch its long—expected counter—offensive against russian forces. in a rare interview, oleksiy danilov describes the planned assault as an "historic opportunity". a man arrested after a car crashed into the gates of downing street earlier this week, has been released while

under investigation. he was detained on thursday on suspicion of criminal damage and dangerous driving. now on bbc news, sudan fighting: caught in the shrapnel. gunfire. it's mid—april. as violence breaks out in sudan, disturbing images of possible war crimes are emerging, being carried out on medical facilities and staff by both sides. the warring factions of formerly allied militia empty the streets of the capital. we wanted our contact on the ground to verify what's going on, but it's impossible.

using satellite data and mapping tools, we analysed user—generated content on a huge scale and spoke to dozens of doctors to build a picture of whether war crimes are being committed and the impact this is having on millions of people. so how did this conflict begin? on the one side, there's the government sudanese army often referred to as the saf, led by this man, general fattah al—burhan. opposing him is general mohamed dagalo hemeti, who runs the rapid support force, or rsf. the two forces were due to merge,

but when talks between them broke down, a bloody fight began, leaving civilians caught in the shrapnel. reporter fateh al rahman al hamdani lives by the international airport right at the heart of the fighting. but it's hard to reach him, so he sends us videos when he can.

and here is why. this is one of khartoum's main water treatment plants. on the first day of fighting, it was hit. using satellite imagery, we can see the damage. in this image in 2022 the tanks are full, but here, only days after being bombed, they're almost empty. just across the river from the water plant, living opposite the british embassy, is british citizen and london hotel owner, 85—year—old abdullah and his wife, alawi. their granddaughter has been trying to reach them from her home in new york. that area, you can't leave. a child got shot in front

of my grandparents�* house. there's snipers everywhere in that area. on april 25th, british nationals began to be evacuated from sudan. they were asked to make their way to an airport 25 miles from khartoum, crossing a war zone. her uncle and cousin called the foreign office helpline for assistance. my mother is 80. to get her to the wheelchair, it needs sometimes three or four people. we do need to stress- that there is no way for them to leave their location. the person they spoke to sympathised with the family, but the embassy couldn't help them. trapped in their home for days, with no food and water, her grandfather leaves his home to try and get help. five minutes into his journey, he got shot. three bullets, his hand chest, lower back. then we lost touch because no

electricity and we didn't have a way to call them. and by that time, my grandmother was already alone for five days or so. alone, disabled, no food, no water. the last time we spoke to my grandmother, she was telling us that the rsf is raiding the house. wounded on the streets of khartoum, azha's grandfather desperately searched for a hospital, but this wasn't easy. hospitals were now shutting down. at the start of the conflict, there were 88 hospitals operating around khartoum. by the 20th of may, 61 had closed.

some had been bombed. one of the first is ibn sina hospital. this doctor is a surgeon there. we investigated. this picture of the hospital matches this image showing the damage from the attack. a forensic weapons expert told us it was most likely caused by artillery fire. there are also videos of a fire at the nurse's accommodation seen here behind this distinctive building. we can see the nurse's accommodation on the satellite image. in this later one, they've been damaged.

we can't be certain who was responsible or if this was a deliberate attack. the fact that there was no warning given prior to, prior to a strike may well constitute a war crime. we took our evidence to and to dr christian de vos and dr houssam al—nahhas, international criminal law experts from physicians for human rights. there was patients receiving care. there was health care providers providing health care. the destruction within the facility is clear. 15 people were reported injured in this attack. even if it wasn't an intentional attack on the hospital, the fact that a bomb or mortar shell can then damage the hospital so severely and the patients inside does raise questions again about adherence to the laws of war.

gunfire.

from thousands of miles away, azha was aware her grandmother was living the same reality. she was desperate to save her. we've seen emails between azha's family, and the british ambassador in sudan. they point out her grandfather is british and they've been trapped for weeks without food or water. the ambassador responds. with the embassy now closed, there's little they can do. he promises the embassy will be in touch, but no—one contacts them. azha hadn't heard from her grandparents for five days. then she received a call.

it was one of the diplomats in the turkish embassy. and then he goes off to say that, i'm sorry to tell you this, but we went inside and your grandmother passed away. i'm so sorry. that's so heartbreaking. and they were physically just across the road from the british embassy, right? maximum, four steps away. maximum. and itjust breaks my heart to think that she died alone and she died because she was alone. and she's still alone to this very moment. and she might be buried alone, none of herfamily members around her. and i'm sure yourfamily did everything they could to try and get them out. everything. what happened to my grandparents was a crime against humanity, not only by the rcf, not only by the saf, but by the british embassy, because they were the only ones that could have prevented this from happening to my grandparents.

two weeks into the war, east nile hospital was one of the last operating in the area. reports started emerging of patients

being forced out from the building. the rsf had surrounded it with their vehicles and anti—aircraft weapons. on may 1st, a public area next to the hospital was hit by an air strike. the army are the only ones with such capability. our sources tell us there was no warning and that doctors were treating civilians and rsf soldiers at the time. the duty to warn of any impending air strike and to ensure take due precaution that all civilians are able to evacuate the hospital prior to an air strike. that is very clear under under the laws of war. five people were reportedly killed.

two weeks later, the hospital was hit by another air strike.

throughout the conflict, there have been allegations of rsf soldiers taking over hospitals. this video shows them entering a hospital. and here inside the hospital, we see soldiers outnumbering civilians. the world health organization has reported nine confirmed cases of hospitals being taken over by the warring parties. i think it's important to note that by providing medical care to soldiers in the context of conflict, that is not itself a violation of the law of war. i think the question that some of the video raises is both the preferential treatment potentially between

civilians and soldiers. that is not an appropriate use of a medical facility and may well constitute a violation of the laws of war. but it doesn't end there. doctors are also being targeted. we've seen messages widely circulated on social media, threatening doctors by name, even sharing their id number. they accuse them of supporting the rsf and receiving money from abroad. two doctors told us they've had to go into hiding. one of them spoke to us but wanted to remain anonymous. doctors treat whoever comes to them in these hospitals, but in spite of this, they've received many threats, death threats from the remnants of the previous regime.

they accuse them of supporting the rsf. because of these threats, doctors have had to stay away from these hospitals and have had to go into hiding. sudanese doctors organizations have been monitoring threats, which they say are coming from both sides. another potential war crime. for weeks, we've been trying to put our allegations to both parties. i asked mostafa mohamed ibrahim from the rapid support forces about the targeting of hospitals and evidence of possible war crimes in the next years.

we repeatedly tried to speak to the sudanese army, but they didn't respond.

he's not answering. azha is still trying to get her family out of sudan. and that was the one bus driver that's supposed to be taking my family tomorrow. azha's family hasn't been able to tell her grandfather that his wife has died. we still were all kind of confused on how to tell him this. he put on his clothes and he was very kind of irritated. and he started asking my dad for his keys, his house keys, his car keys. and he said, "if you're not going to give me, i'm going to go walk back home." because he wanted to check up on my grandmother. could the british embassy have saved her grandmother's life had they been more responsive to azha's family's pleas? i was informed they got 100 troops who came and evacuated their stuff. they could not cross the road. i'm so very disappointed in them, in giles lever, the ambassador, the british ambassador in sudan.

until now, there's no call, no initiative. they don't know how my grandparents are. my grandfather is. we asked the foreign office why they couldn't do more to help azha's grandparents. they told us... doctors around the world have been calling for an end to the targeting of medics in sudan. at this conference in london, doctors have already begun the process of trying to document possible war crimes.

when war crimes become a tactic of war, literally people will no longer seek care and will be deprived of their right of access to health care. we do not want sudan to become another situation where people are not seeking care because attacking hospitals is a war strategy. even though multiple ceasefires have been promised, the fighting in sudan hasn't stopped and hospitals are still being targeted. many thousands have decided the only solution is to leave.

hello, good afternoon. cloud and sunshine will vary as we head through the next few days. there is some cloud around today, lots of blue sky and sunshine, the vast majority will be completely dry this bank holiday weekend. high pressure will be dominating, clouding over at times. this is the cloud produced by the cold front earlier today, it is gradually sinking southwards, introducing more cloud this afternoon, across northern ireland and into northern england. brightening up for northern

scotland, by the end of the day, some gusty winds. the best of the sunshine in england and wales, temperatures ranging 19—22 c. cooler towards coastal areas. the sunshine is strong at this time of year, uv levels will be high and remain high as we head through into next week. the grass pollen season is also under way. overnight, tonight, we will start to see parts of northern ireland and western scotland cloud over. if we see clear spells in the highlands, temperatures could drop to very close to freezing. england and wales, mid to high single figures. high pressure dominates on sunday, it is looking dry and settled. there will be areas of cloud around, mostly in the western areas of scotland, where, again, it will feel cooler there and across northern ireland too. generally a cloudy looking day, in the eastern areas of england with the best of the sunshine for western wales,

south—west of england, devon and cornwall. there will be a cool breeze, it is picking up in the coastal areas, highs of 22 or 23 celsius in the best of the sunshine. let's take a look at bank holiday monday, it is cooler and breezier across the south—west of england, the best of the sunshine is further north and west, highs of around 21 celsius across the central belt of scotland, on bank holiday monday. the rest of the week, high pressure is going nowhere, it is keeping us dry and settled. there will be variable amounts of cloud but also some sunshine. if we look at the outlook for the capital cities, most the temperatures will get to the 20s.

live from london — this is bbc news. a home office source says e—gates are now starting to come back on — after long delays for some passengers travelling to the uk. i'm live at london heathrow, one of many uk airports affected. at both here and gatwick, the royal navy has stepped in to support the border force system. it's the final day of campaigning in turkey ahead of one of the country's most divisive presidential elections. i'm anna foster, live in istanbul. with just hours left before the polls open, both contenders have been trying their hardest to win over the last looters and bead to's new president.