as scrutiny of western powers arms exports to israel intensifies, the world central kitchen charity calls for an independent investigation into the strikes that killed seven members of its team in gaza. lord cameron rules out western boots on the ground in ukraine. he tells the bbc: allies need to step up or risk the war being lost. and a major medical trial begins to learn whether blood tests can spot the early signs of dementia. returning to one of our main stories this hour and a special ceremony has been held to mark the 75th anniversary of the nato alliance. as the war in ukraine continues, the alliance has agreed to start planning for a greater role in co ordinating military aid to the country.foreign ministers led by the alliance s secretary general, jens stoltenberg have met today to discuss how they can best support ukraine in the future. let s speak to xavier bettel, he is luxembourg s deputy prime minister and foreign minister. welcome to you and thank you