Olympics Day 12: What you may have missed

BBC Sport rounds up the action you might have missed on Day 12 of London 2012.

BOXING: Great Britain's Nicola Adams secures at least a silver medal by reaching the final of the women's flyweight competitions.

EQUESTRIAN: Nick Skelton misses out on winning an individual Olympic showjumping medal for Britain after clipping a fence in the final round.

ATHLETICS: Saudi Arabia's Sarah Attar makes history in the 800m heats by becoming the first woman from her country to compete in athletics at the Olympic Games.

Usain Bolt

Bolt & Blake dominate 200m semi-finals

ATHLETICS: Sophie Hitchon breaks her own British record in the hammer with a throw of 71.98m to reach Friday's final.

HOCKEY: Defending champions Netherlands squeeze through to the Olympic women's final by beating New Zealand in a shootout.

ATHLETICS: Great Britain's Mo Farah finishes third in his 5,000m heat to automatically qualify for the final and stay in contention for double Olympic gold.

SAILING: 470 crew Hannah Mills and Saskia Clark of Great Britain guarantee themselves an Olympic medal and will race New Zealand for gold on Friday.

ATHLETICS: Olympic 100m champion Usain Bolt secures his place in the 200m final, winning his semi-final with ease.

ATHLETICS: Allyson Felix wins 200m gold after previously taking silver in both Athens and Beijing.

ATHLETICS: Cuba's Lazaro Borges snaps his pole as he attempts to clear 5.35m in the men's pole vault competition.