welcome to our viewers on pbs in america and around the globe. the world health organization has called on china to share accurate data on coronavirus infections and deaths. it follows a sharp rise in cases after beijing abandoned its zero covid policy. on friday the british government announced that all passengers travelling to england from mainland china will be required to produce a negative covid test before boarding their flight. a number of other countries including the united states, india, france spain and italy have already announced similar measures. our political correspondent helen catt reports. a flight touching down this evening at heathrow from qingdao. from thursday, anyone travelling to england from mainland china will have to show a negative covid test to fly. from a week on sunday, a sample of passengers at heathrow will also be tested on arrival. the government says it is a precaution, due to a lack of comprehensive information from the chinese government.
a step up in effective vaccination. and i ll come back to that because china has a real problem with that for two reasons. sinovac, which is their vaccine, is really not as effective as their mrna vaccines, especially in the elderly. so you ve got a very big, vulnerable population to this new wave of infections. and people are very nervous that when you have this immunologically naive population, particularly older people who are more likely to get infected and get severe consequences, that you are going to see severe impact. let s get some of the day s other news: south korea s military say north korea has fired three short range ballistic missiles towards the sea to the east this latest volley comes just days after the north flew drones into south korea s airspace. pyongyang has launched more missiles this year than ever before. police in the us state of idaho have arrested a 28 year old man in connection with the murder of four university students last month.