@UsainBolt

I'm ready to go again

- 100m champion Usain Bolt tweets a picture of himself in a room with three Swedish female handball players as he celebrates his gold

@YohanBlake

Big up @UsainBolt! You deserved that one. Big up Jamaica! Now it is on to the two!

- 100m silver medallist Yohan Blake takes his friendly rivalry with Bolt to the 200m

@justingatlin

Thank u to allllll me tweeps for the surpport! U all push me to be better everyday this year! This is for u! Ps more to come!

- Justin Gatlin of the United States, who won the 100m bronze, thanks his 17,000-plus Twitter fans

@richardbranson

Unbelievable Usain! Surely the greatest ever. Congratulations to Jamaica, look forward to celebrating when I'm next there.

- Virgin tycoon Richard Branson looks to party with Bolt

@officialasafa

My Country, My Home, My People, My Present, My Past and My Future. Jamaica Happy 50th Birthday. One Love!

- Jamaica's Asafa Powell, who pulled up and finished last in the 100m showdown, celebrates the 50th anniversary of the island's independence from Britain

@chrishoy

I know I said I was off twitter til after 2mro but that was PHENOMENAL by Jason Kenny. So happy and proud of him, well deserved mate.

- British track cycling legend Chris Hoy breaks his Twitter silence to celebrate team-mate Jason Kenny's gold in the men's sprint

@AUSOlympicTeam

GOLD! Tom Slingsby is Australia's first gold medallist in an individual event at the 2012 Games #sailing #goaussies

- The Australian Olympic Committee celebrates the country's long-awaited second gold medal at London 2012

@OscarPistorius

I woke up this morning overwhelmed by the 1000's of messages of well wishes. Thank You for making this 1 of the Greatest moments of my life!

- South Africa's Oscar Pistorius, the first double amputee to compete in the Olympics, after finishing last in his 400m semi-final

AFP