a robust defence of refugees, in a debate so often framed in fearful terms. fergal keane, bbc news, lesbos. let�*s turn to the coronavirus pandemic now, and the latest changes for travellers arriving in the uk have been heavily criticised by the travel industry, who warn that firms will be �*devastated�*. from tuesday, passengers will be required to show proof of a negative pcr or lateral flow test, taken no earlier than 48 hours before departing for the uk. downing street says the measures are necessary to slow the spread of the new variant of coronavirus. our business correspondent katie prescott reports. happy memories of holidays gone by. denis and his partner were looking forward to many more smiling pictures, but because of the changes to travel rules, he�*s thinking of cancelling their upcoming trip to tenerife. a lot of it is the uncertainty as well. do you go on holiday and something changes dramatically again? my partner, she would have