invaded, and witnessed the devastation in the city of kharkiv, as intense fighting continues in the region. now on bbc news our world. six million people have fled ukraine, half of whom have gone to next door poland. during a week in april, our world follows warsaw s mayor rafal traskowski. on the 24th of february, russian president vladimir putin ordered a military invasion of neighbouring ukraine. reporter: russian troops i are closing in on the capital, and in the last few hours multiple exposures have been reported. multiple explosions. the invasion trigger the largest refugee crisis in europe since the second world war. almost six million ukrainians have fled the country. reporter: more than half of those who have left are now in poland - where local people are providing accommodation, food and other support. reporter: the population | of warsaw is nearly at nearly 20% in just two weeks. the mayor saying they can t handle the millions more that are expected to come
against tighter gun controls. ukrainian troops may be forced soon to retreat from the large eastern city, according to a senior official there. now on bbc news, our world. six million people have fled ukraine, half of whom have gone to next door poland. during a week in april, our world followed warsaw s mayor. on the 24th of february, russian president vladimir putin ordered a military invasion of neighbouring ukraine. reporter: russian troops i are closing in on the capital, and in the last few hours multiple exposures have been reported. the invasion triggered the largest refugee crisis in europe since the second world war. almost six million ukrainians have fled the country. reporter: more than half of those who ve left are now in poland - where local people are providing accommodation, food and other support. reporter: the population of warsaw is up nearly - 20% in just two weeks. the mayor saying they can t handle the millions more that are expected to come here into po
about costs and trade offs. discussions are ongoing ahead of a speech in the coming days. mr sunak said the biggest commitment, to reach net zero carbon emissions by 2050, won t be abandoned. but the bbc has learned that some longstanding commitments are under threat. they include delaying a ban on the sales of new petrol and diesel cars from 2030 to 2035. the plan to phase out the installation of gas boilers by 2035 could be weakened, with only 80% phased out by then. and homeowners and landlords could be told there will be no new energy efficiency regulations on homes. 0ur political editor chris mason reports. within the conservative party in recent months, a fuming row, cost of living squeeze but recent months, a fuming row, cost of living squeez living squeeze but extra cost for families to living squeeze but extra cost for families to green living squeeze but extra cost for families to green targets. - living squeeze but extra cost for - families to green targets.
that s been denied by hamas, which is designated a terrorist organisation by many western governments. on saturday, hundreds of people, including some patients, left the hospital on foot, making their way through israeli armoured vehicles. around 300 critically ill patients remain at al shifa. the who says it s now drawing up plans for their evacuation. meanwhile, the hamas run health authority says at least 80 people have been killed in two israeli strikes on the jabaliya refugee camp. they say one hit a un run school, that was being used as a shelter. the white house has said israel and hamas have not yet reached a deal on a temporary ceasefire. it follows a us media report that the two sides were close to an agreement to free dozens of women and children held hostage in gaza, in exchange for a 5 day pause infighting. yogita limaye has our top story, and a warning, her report does contain, some distressing images. people fleeing the al shifa hospital. israeli military says