Dwain Chambers became only the second British sprinter to win the World Indoor 60 metres gold medal with a convincing victory in Doha today.
After dominating the heats, Chambers sealed victory in a time of 6.48 seconds - the fastest in the world this year.
That was enough to beat Mike Rodgers of the United States and Daniel Bailey of Antigua, who recorded 6.53sec and 6.57sec respectively.
The win secures Chambers' first world title since he returned from the drug suspension he incurred in 2003.
Elswhere at the world indoor championships on Saturday, world heptathlon champion Jessica Ennis of Great Britain posted the fourth-best pentathlon score of all-time when she won the event with 4,937.
Only world record holder Irina Belova of Russia and Sweden's Carolina Kluft have posted better scores than the 24-year-old Ennis.
Olympic heptathlon gold medallist Nataliya Dobrynska of Ukraine was second with 4,851 points and Russia's Tatyana Chernova third at 4,762.
Ethiopian Meseret Defar claimed her fourth successive women's 3,000 metres title, sprinting home in 8:51.17 to edge Kenyan 5,000 metres world champion Vivian Cheruiyot.
The United States swept the top two places in the men's heptathlon and won the shot put.
Olympic decathlon gold medallist Bryan Clay scored 6,204 points to edge world champion Trey Hardee, who had 6,184. Russia's Aleksey Drozdov was third with 6,141.
Holder Christian Cantwell took the shot put with a last-throw toss of 21.83 metres to overtake Andrei Mikhnevich of Belarus. Mikhnevich threw 21.68.
Croatia's Blanka Vlasic successfully defended her women's high jump crown, clearing a best of 2.00m.
Spaniard Ruth Beitia took silver with American Chaunte Howard Lowe claiming bronze on countback after the duo both finished on 1.98m.
American Lolo Jones retained her world indoor 60m hurdles title with the third fastest time ever run in the event.
The 27-year-old clocked a new championship record of 7.72 seconds to finish ahead of Canadian duo Perdita Felicien and Priscilla Lopes-Schliep, at 7.86 and 7.87se respectively.
Australian Steve Hooker won the men's pole vault by clearing a championship record of 6.01m, also the leading vault of the season.
German duo Malte Mohr and Alexander Straub took silver and bronze, with bests of 5.70 and 5.65m respectively.