Ostapchuk receives one-year ban Shot putter Nadzeya Ostapchuk has been banned from competition for a year after failing a drugs test and being stripped of her Olympic gold medal. The Belarusian, 31, won with a throw of21.36m, but officials found metenolonein a urine sample she provided.The ban is lenient as Ostapchuk wasunaware her coach, Alexander Yefimov,had drugged her food. Yefimov hasreceived a four-year ban.New Zealand's Valerie Adams waselevated from second to first. How Ceefax switches to Digital TV 697 

 Lashmanova wins gold for Russia Russian Elena Lashmanova powered to victory in the women's 20km walk at London 2012, breaking the world and Olympic record in the process. The 20-year-old pipped her compatriotand defending champion Olga Kaniskinain a time of one hour 25 minutes andtwo seconds.Kaniskina had to settle for silverdespite leading for most of the race,Shenjie Qieyang of China took bronze.Britain's Jo Jackson was disqualifiedfor her technique in the fourth lap. How Ceefax switches to Digital TV 697 

 Day 15 must-see moments MODERN PENTATHLON (08:45-19:05) Nick Woodbridge - Woodbridge, the world number nine, won bronze at the Olympic test event last year and lines up for Britain along with Sam Weale. The five events will take place across three venues - the Copperbox, the Aquatics Centre and Greenwich Park.