this is bbc news. the headlines: scientists advising the government say all 16 and 17—year—olds should be offered the pfizer covid vaccine. we'd like to advise that the first vaccine dose is offered now for 16 and 17—year—olds who are otherwise healthy with the aim of a second vaccine dose to be offered sometime later. success for team gb in tokyo — 13—year—old sky brown becomes britain's youngest ever olympic medallist winning bronze in skateboarding, and ben maher takes top spot in the individual showjumping. katarina johnson—thompson pulls out of the heptathlon after suffering a calf injury during the 200m. the british security guard killed in last thursday's drone attack