alastair fee reports from one of the hospitals involved in the trial.r—old thomas — a handful of chocolate—coated peanuts. six months ago, they could have killed him. in the beginning when thomas got diagnosed with a peanut allergy, it dominated our lives. going out forfood, food preparation at home, everything was a worry. today, thomas can eat small quantities of the very food his family has spent years trying to avoid. it means the world to me that i can eat a peanut and, like, i won't die. thomas is taking part in an allergy trial led by southampton�*s hospital and university and imperial college, london. it uses the very foods that lead to severe allergic reactions. the early evidence is incredibly promising. this is what's called oral immunotherapy. everyday foods are being given to children under medical supervision. the aim is to train the body to cope with the very ingredients that can cause an allergic reaction. in 2016, 15—year—old natasha ednan—laperouse died after eating a pret a manger baguette. it contained sesame, which she was allergic

alastair fee, bbc news.last week because of concerns about the country's plans to launch a ground offensive in rafah, in southern gaza. the consignment is said to have included large bombs. the us has been urging israel not to invade rafah, where hundreds of thousands of palestinians have been sheltering. mediators in cairo are holding further talks today with delegations from israel and hamas. from jerusalem, our middle east correspondent yolande knell reports — you may find some of her report upsetting. the panic and confusion as rescuers pull the wounded from the rubble after an overnight israeli airstrike in rafah. and today, another all too familiar scene in gaza, a mother struggling with unbearable loss. after israel seized control of the key crossing with egypt, it says it's continuing a limited offensive in gaza's southernmost city, battling hamas gunmen in the east of their last stronghold. but for hundreds of thousands of palestinians who fled to rafah to escape the fighting elsewhere, there's rene

alastair fee, bbc news.ing the welsh coast. justin, it looks beautiful. what does the science callous? wonderful, isn't it? this — does the science callous? wonderful, isn't it? this is _ does the science callous? wonderful, isn't it? this is magnificent _ does the science callous? wonderful, isn't it? this is magnificent menai - isn't it? this is magnificent menai bridge which spans between north wales and the wonderful island of anglesey, where i am now. we often think of climate change, global warming happening elsewhere in the world, in the tropics, the hot countries and up and down the polar regions. it affects us all, it is changing the population of species in the rocky sea shells of the uk, in the rocky sea shells of the uk, in the rocky sea shells of the uk, in the waters of the uk. we will look at more in a moment. first, let's take a look at the global picture. on much of australia's great barrier reef, you only have to dive below the surface to see the impact our warming oceans are having. just l