Here are the latest developments in the coronavirus crisis: Overseas fans will be barred from this year's pandemic-postponed Tokyo Olympics because of ongoing coronavirus concerns, organisers announce. The unprecedented decision will make the Tokyo Games the first ever held without overseas spectators, as organisers scale back their ambitions for the event. EU chief Ursula von der Leyen threatens to halt exports of AstraZeneca's Covid-19 vaccines if the bloc does not receive its promised deliveries first. The warning comes as the European Union struggles to speed up its inoculation campaign, with many member states facing a third coronavirus wave and renewed curbs on public life. Pakistan's Prime Minister Imran Khan tests positive for Covid-19, his office announces, just two days after having been vaccinated against the disease. The 68-year-old received a shot of the Chinese-produced Sinopharm vaccine on Thursday. Several parts of France enter a new partial lockdown, hours after an exodus from the capital, Paris, and a rush to shops to stock up. The new restrictions apply to around a third of the country's population affecting, Paris and several regions in the north and south. Schools are staying open. Poland enters a three-week partial lockdown from Saturday, with people encouraged to stay home and most shops shut. Shopping malls, hotels, pools, gyms and schools will be closed until at least April 9. Ukraine capital Kiev shuts down all but essential shops and moves schools to distance-learning to try to stem a surge in infections. Prime Minister Denys Shmygal has urged regional authorities to impose stronger restrictions to curb the spread of the disease. At least 2,702,004 million people have died of coronavirus around the world since the outbreak began in December 2019, according to an AFP tally based on official sources at 1300 GMT. The US is the worst-affected country with 541,143 deaths followed by Brazil (290,314), Mexico (197,219), India (159,558) and Britain (126,026). bur-jj/kjl