Chris Hoy has won a fifth Olympic gold medal with victory for Great Britain in the men's team sprint.
The Scot added to his medal collection alongside Philip Hindes and Jason Kenny in a world record time of 42.6 seconds, defeating France.
The three-man team progressed to the final three-lap team sprint in a world record of 42.747 seconds before smashing the record again in the final.
In a repeat of the final four years ago in Beijing, France's Gregory Bauge, Michael D'Almeida and Kevin Sireau had to settle for silver in a time of 43.013.
The 36-year-old from Edinburgh, competing in his fourth Games, won one-kilometre time-trial gold in Athens in 2004, three titles in Beijing and has now drawn level with Sir Steve Redgrave as the Briton with the most Games golds.
Minister for Commonwealth Games and Sport Shona Robison said: "Huge congratulations to Sir Chris and his teammates on achieving a gold medal and a new world record today, this is just the icing on the cake of all he has done for sport in Scotland and for Team GB.
"With an astounding number of medals under his belt, Sir Chris is truly living up to his title of Scotland's greatest ever Olympian, and deserves his place as one of Team GB's most successful athletes. He has, once again, done Scotland proud and is an inspiration to all of us."
Hoy must now wait until Tuesday's final day of the track programme to compete in his second event, the men's keirin, after being overlooked for the sprint in favour of Kenny.
Hoy is the reigning world champion in the keirin.
Kenny now has a second Olympic gold and third medal in all, while for Hindes it capped a remarkable period after a rapid rise to prominence, not least today after he fell to the track during qualifying.
Bronze went to Germany (43.209), with world champions Australia (43.355) fourth.
The Duke and Duchess of Cambridge and Prince Harry were part of the capacity velodrome crowd, along with Prime Minister David Cameron.
Earlier in the evening, fellow Olympic cycling hopefuls Victoria Pendleton and Jess Varnish were relegated from the team sprint for a takeover infringement in what was a night of high drama at the London 2012 Olympic Velodrome.
You can watch the documentary The Scots Going for Gold on the STV Player
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