australian border force has cancelled the visa of the czech tennis player revoracova. , we do not know whether that is because she is not vaccinated or what her vaccinations at this is, we have not been told that we understand she is being detained in the same immigration hotel as novak djokovic, sorry we have been reporting on for a duties. the czech tennis player renata voracova has had her visa cancelled by the australian border force. a study says the number of adults in the world with dementia could nearly triple within 30 years. researchers writing in the lancet public health journal say more than 153 million people could be living with the condition by 2050. in the uk, the number of dementia cases is projected to rise by three quarters in the same period, to one point six million. i m nowjoined by hilary evans, chief executive of alzheimer s research uk. thank you forjoining us. these are