this is bbc news i'm martine croxall. the headlines: the covid boosterjab programme is under way — as some healthcare workers and patients receive their dose. diplomatic fallout, as britain, the us and australia agree a defence pact — the prime minster denies china's claim that it'll undermine regional stability. the mother of a five—year—old boy wins a high court case against the environment agency over a staffordshire landfill site — accused of emitting noxious gases that risk shortening her son's life. today is the last day that care home staff in england can get their first covid vaccine — if they want to keep theirjob.