they can identify a number of the people who are on trial today. the a0—year—old, who they claim is a gunman, the 16—year—old and 218—year—olds. they all say they have nothing to do with the attack. the case is due to last around six weeks. scientists believe they can explain why some people who catch covid develop chilblain—like lesions on their toes and even fingers. 'covid toe' appears to be a side effect of the body switching into attack mode to fight off the virus. they hope the finding will help patients and doctors better understand the condition. 0ur health correspondent catherine burns has more. go bea go be a loved dancing, but she developed covid toe. now the 13 year struggled to stand up for a long and needs a wheelchair if she is going far. she spoke to the bbc in the summer. mr; far. she spoke to the bbc in the summer. ~ , . far. she spoke to the bbc in the summer. ~ , , , far. she spoke to the bbc in the summer. g , , ., summer. my feet swell up and i get blisters all over _ summer. my feet swell up and i get blisters all over them. _ summer. my feet swell up and i get blisters all over them. the - summer. my feet swell up and i get