sri lanka seamer lasith malinga has retired.the most successful bowler in twenty20 international history, winning the world cup in 2014 and taking a record 107 t20 international wickets. the british axioom men's relay team could be stripped of their olympic silver medals after cj ujah's b sample also tested positive for two banned substances. it confirms the result of his initial test at the tokyo games. for more on this we're joined by our reporter, ade adedoyin. really bad news, what is the latest? when an athlete provides a sample it is split into two samples and once one of the samples is tested it gives an option to request that the b sample is also tested in case has been an error. it is very rare that the b sample comes back differently but there have been some cases in the past and the athlete has been exonerated. in this case it has come back positive successfully as well for austrian, which is listed as having similar properties to testosterone. and the other substance is s23, which has similar properties to anabolic s

and sri lanka seamer lasith malinga, the most successful bowler andy murray, who won the us open, saidhe was extremely _ achievement. we knew she was extremely good. _ achievement. we knew she was extremely good. she _ achievement. we knew she was extremely good. she hadn't - achievement. we knew she was - extremely good. she hadn't competed much for— extremely good. she hadn't competed much for the last 18 months or so with school— much for the last 18 months or so with school and coronavirus. but i think— with school and coronavirus. but i think at— with school and coronavirus. but i think at wimbledon, everyone got a bit of— think at wimbledon, everyone got a bit of a _ think at wimbledon, everyone got a bit of a glimpse as to how good she could _ bit of a glimpse as to how good she could be _ bit of a glimpse as to how good she could be. yeah, it is great what she did, and _ could be. yeah, it is great what she did, and a _ could be. yeah, it is great what she did, and a huge opportunity for british— did, and a huge opportunity for british tennis.— did, and a huge opportunity for b

and sri lanka seamer lasith malinga, the most successful bowler in twenty20 international history, has me is our health correspondent anna collinson. i'm alsojoined by our family and education correspondent, sean coughlan. welcome to both of you. we start with those queries about 12 to 15—year—olds getting a jab. i will start with you, sean, jonathan and harrogate says, wouldn't it be easier to say that we just give jabs to all secondary school children rather than set it specifically by age? at the moment we are saying 12 to 15. the rationale for picking out that age group? the to15. the rationale for picking out that age grow?— to 15. the rationale for picking out that age group? the approval of the vaccines is 4/12, _ that age group? the approval of the vaccines is 4/12, the _ that age group? the approval of the vaccines is 4/12, the age _ that age group? the approval of the vaccines is 4/12, the age group - that age group? the approval of the vaccines is 4/12, the age group that| vaccines is 4/12, the age group that has been debated and that does not work with school years but that