The Ukrainian woman with Kremlin critic Boris Nemtsov when he was gunned down told Russia media yesterday that she did not see his killer, as conflicting reports emerged about the availability of surveillance footage showing the slaying.

Former British number one Tim Henman believes Andy Murray must find something exceptional to deny Wimbledon’s ’big three’ – and he expects the Scot to come out firing in the second week.

Mexico coach Javier Aguirre declared himself ‘‘not satisfied’’ with his side’s winning start to their World Cup campaign.